Stoichiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
I can't say for certain off-hand.
我还不能马上说定。
There was a big civil rights march through the centre of Birmingham yesterday.
昨天大规模的民权示威游行经过伯明翰市中心。