N,n'-diphenyl-p-phenylenediamine
[化] N,N'-二苯基对苯二胺
🗣️ 情景例句
But my birthday is tomorrow.
但是我的生日就在明天。
She stacked all the books in the corner.
她把所有的书都堆在了墙角。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”
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