Carboxylates

羧化物; 羧化物

🗣️ 情景例句

Bye-bye.
再见。
I've got a pain in my back.
我背疼。
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑,感到非常烦恼。
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🔤 更多 C 开头的单词

concur kən'kɝ
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