Nchd
[医][=normal childhood diseases]正常儿童期疾病
🗣️ 情景例句
Anything can I help you with?
有我能帮忙的地方吗？
Please inform us the quantity that can be supplied from stock.
请告知可供现货的数量。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，