Quaternary carbon atom
[化] 季碳原子
🧩 词语组成解析
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
Cut short the nonsense and return to one's muttons.
闲话少说，言归正传。
After buying a new chain I was faced with the insurmountable task of putting the confusing jigsaw puzzle together again.
我买来一根新链条后，面临的就是如何把这些令人眼花缭乱的拼板重新组装起来。