1.

swallow

吞

n.

2.

sustain

支撐;承受

vt.

3.

sweater

毛衣

n.

4.

sustainability

永續發展性

n.

5.

sustainable

永續發展的

adj.

6.

swimsuit

泳衣

n.

7.

swimming class

游泳課

n.

8.

gift

禮物；天賦

n.

9.

switch

轉換

n.v.

10.

usually

通常

adv.