Castolin
铸铁焊料合金
🗣️ 情景例句
The checkout counters are very busy.
收款台都很忙。
Truth's best ornament is nakedness.
不加装饰是真理的最好的装饰。
One of the first jobs when you start work in an office is to learn how to use every piece of equipment.
你在办公室开始工作的第一件事就是要学会怎样使用办公室里的每样设备。