Minguzzite
草酸钾铁石
🗣️ 情景例句
I have learned to use computers and have become familiar with all clerical duties.
我学会使用电脑及熟悉所有文员的工作。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
You used to smoke 40 cigarettes a day.
他以前每天狂抽四十根烟。