Pioned
n. 【物理学】π介子
🗣️ 情景例句
I'd like your help.
我要请你帮忙。
Let's get together sometime.
有时间我们聚一下吧。
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。