Riverweed
n. [植] 河苔草属植物(产于北美)
🗣️ 情景例句
I think it's a good idea, Ellen.
我觉得这是个好主意， Ellen。
It seems he's interested.
看起来他好像很有趣。
Who jumped farthest of all?
谁在参赛者中跳得最远？