Abed
adv. 在床上
🗣️ 情景例句
Don't drink then drive.
不要酒后开车。
Where can I wash my hands?
请问洗手间在哪里？
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。