Phosphorroesslerite
重磷镁石
🗣️ 情景例句
I haven't seen you for a long time.
很久没见了。
What will you do during this weekend?
这周末你干什么？
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。