Nitrazine
[医] 硝嗪(一种染料,测定尿PH值的指示剂)
🗣️ 情景例句
we are gathered here today
我们今天聚集在这，
How long will it take for a package to get to California?
你把包裹寄到加州要多长时间?
But I don't understand.
这我就不明白了。