Chalcogen
n. [化]硫族元素,氧属元素(包括氧、硫、硒等)
🔁 扩展释义
【化】 硫属元素; 氧族元素
🗣️ 情景例句
She was a beauty in her day.
她年轻的时候是个美人儿。
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I sat down at the breakfast table in an exhausted condition.
然后坐到桌边吃早饭，一副筋疲力尽的样子。