Stannometry
亚钖滴定
🗣️ 情景例句
Well, it's done. Tomorrow morning at a publisher's office.
好了， 事情办成了。明天早晨要到出版社老板的办公室。
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
He asked me for a meal and a glass of beer.
问我要一顿饭和一杯啤酒。