Sd
[化] 磺胺嘧啶
✅ 同义词
🗣️ 情景例句
I push myself very hard to do well.
为了干得好，我给自己很大压力。
Whose book is this?
这是谁的书？
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，