Simn
abbr. silicon manganese 硅锰
🗣️ 情景例句
So, why don't you call him in the morning?
那么你为何不明天早上打个电话给他？
My friend reads and writes several languages.
我的朋友能读并写好多种语言。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。