Part 1

1. circle /ˈsɝː.kəl/
(n.)圓；圓圈；圓形
a continuous curved line, the points of which are always the same distance away from a fixed central point, or the area inside such a line

We sat in a circle.

2. oval /ˈoʊ.vəl/
shaped like a circle that is flattened so that it is like an egg or an ellipse

an oval face

3. heart /hɑːrt/
(n.)心形
a shape, consisting of two half circles next to each other at the top and a V shape at the bottom, often coloured pink or red and used to represent love

4. square /skwer/
(n.)正方形，四方形
a flat shape with four sides of equal length and four angles of 90°

It’s a square-shaped room.

5. triangle /ˈtraɪ.æŋ.ɡəl/
(n.)三角形
a flat shape with three straight sides

an equilateral/isosceles triangle

6. rectangle /ˈrek.tæŋ.ɡəl/
(n.)長方形；矩形
a flat shape with four 90° angles and four sides, with opposite sides of equal length

7. pentagon /-t̬ə.ɡɑːn/
(n.)五邊形，五角形
a shape with five sides and five angles

the Pentagon

8. hexagon /-ɡɑːn/
(n.)六邊形，六角形
a shape with six straight sides

9. rhombus  /ˈrɑːm.bəs/
(n.)菱形
a flat shape that has four sides that are all of equal length

10. trapezoid /ˈtræp.ɪ.zɔɪd/
(n.)梯形
a flat shape with four sides, where two of the sides are parallel

Exercise 1

Match the correct meaning to each vocabulary.

1. hexagon___     2. rectangle     3. oval___     4. pentagon___     5. rhombus___

a. a flat shape with four 90° angles and four sides, with opposite sides of equal length

b. a shape with six straight sides

c. a flat shape that has four sides that are all of equal length

d. shaped like a circle that is flattened so that it is like an egg or an ellipse

e. a shape with five sides and five angles

Part 2

11. heptagon /ˈhep.tə.ɡən/
(n.)七邊形
a shape with seven straight sides

12. octagon /ˈɑːk.tə.ɡɑːn/
(n.)八邊形；八角形
a flat shape with eight sides

13. parallelogram /ˌper.əˈlel.ə.ɡræm/
(n.)平行四邊形
a flat shape that has four sides. The two sets of opposite sides are parallel and of equal length to each other.

14. arrow /ˈer.oʊ/
(n.)（指示方向的）箭號，箭頭
a sign consisting of a straight line with an upside down V shape at one end of it that points in a particular direction, used to show where something is

I followed the arrows to the car park.

15. crescent /ˈkres.ənt/
(n.)新月形（物），弦月形（物），蛾眉月形（物）
a curved shape that has two narrow pointed ends, like the moon when it is less than half of a circle

The moon was a brightly shining crescent.

16. cross /krɑːs/
(n.)十字架，十字形物件
an object in the shape of a cross that people were killed on, used as a symbol of Christianity

She wears a gold cross around her neck.

17. cube /kjuːb/
(n.)立方體；立方形的東西
a solid object with six square sides of equal size

Cut the cheese into small cubes.

18. cylinder /ˈsɪl.ɪn.dɚ/
(n.)圓柱體；圓柱狀物；圓筒（常用作容器）
a solid or hollow tube with long straight sides and two circular ends the same size, or an object shaped like this, often used as a container

19. cone  /koʊn/
(n.)圓錐體
a shape with a flat, round or oval base and a top that becomes narrower until it forms a point

a traffic cone

20. pyramid /ˈpɪr.ə.mɪd/
(n.)角錐；金字塔
a solid object with a square base and four triangular sides that form a point at the top

Exercise 2

Describe to your tutor what you see in this picture.

Part 3

21. dot /dɑːt/
(n.)小圓點
a very small round mark

Her skirt was blue with white dots.

22. curve /kɝːv/
(n.)曲線，弧線；轉彎
a line that bends continuously and has no straight parts

23. flecked /flekt/
having small marks or spots

It’s a dark grey material but it’s flecked with white.

24. stripy /ˈstraɪ.pi/
with stripes or a pattern of stripes

stripy shirts

25. shapeless /ˈʃeɪp.ləs/
without a clear form or structure

My clay pot ended up as just a shapeless lump.

26. mottled  /ˈmɑː.t̬əld/
covered with areas of different colors that do not form a regular pattern

27. serried /ˈser.id/
pressed closely together, usually in lines

We flew over the city with its serried ranks of identical grey houses.

28. variegated /ˈver.i.ə.ɡeɪ.t̬ɪd/
having a pattern of different colors or marks

a variegated plant

29. spiral /ˈspaɪr.əl/
(n.)螺旋形
a shape made up of curves, each one above or wider than the one before

30. vertical /ˈvɝː.t̬ə.kəl/
(n.)垂直線；垂直面；豎直位置
a vertical line, surface, or position

Exercise 3

Describe this picture.
Try to use different vocabulary to describe that you learn from this unit.