Duronitrin
基本释义
磷酸三硝乙醇胺
实用场景例句
日常对话
I groaned when I heard the bad news.
听到坏消息时，我叹了口气。
校园生活
He groaned when he saw his grades were low.
看到成绩低时，他叹了口气。
社会场景
The old man groaned in pain when he fell down.
老人摔倒时痛苦地呻吟。
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