Status available
[计] 可选用状态
🧩 词语组成解析
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
How much does the elephant weight?
这个大象有多重？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。