Leptostromataceae
半壳孢科
🗣️ 情景例句
When's the last time you took a vacation?
上次你去度假是什么时候？
I'm going to buy three yards.
我要买给她三码。
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）。