Tetraethide
四乙基金属
🗣️ 情景例句
I understand
听说，
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
I'm going to put it here,in front of the window.
我准备把它入在这儿，放在窗前。