Riverweed
n. [植] 河苔草属植物(产于北美)
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
The inner workings of our own brains we feel to be uniquely worthy of investigation,
我们觉得，只有我们大脑内部的活动情况才值得研究，