Silmalec
西尔玛雷克铝硅镁合金
🗣️ 情景例句
Just follow me, Mr. Johnson.
请跟我来 Johnson先生。
Working without a plan is sailing without a compass.
工作没有打算，犹如航海没有罗盘。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，