Lewis structure
[化] 路易斯结构
🧩 词语组成解析
n. 吊楔
🗣️ 情景例句
They've always got an opinion.
他们总有自己的看法。
How ofter did I tell you to sit straight?
我告诉你多少次要坐正?
He sat in the darkness and listened to the people around him.
他坐在黑暗处，听着周围的人在讲话。