Carboxy group
[机] 羰基
🧩 词语组成解析
n. [有化] 羧基
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
through Mr. Marchetta
透过Marchetta先生的帮助
Don't repeat everything I say!
不要学我说话！
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。