W-s
[医][=watt-seconds]瓦秒（焦耳-热量单位）
🗣️ 情景例句
Hi, honey.
嗨，亲爱的。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。