Tetraethide
四乙基金属
🗣️ 情景例句
How well do I speak English?
我的英文说得怎样？
Could you give her a message, please?
请问你能不能带个口信给她？
I've no idea. He just asked me to come round for supper.
我也不知道，他只是叫我过来吃晚饭。