Methine group
[建] 次甲基
🧩 词语组成解析
次甲基
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
do you need any help?
需要帮忙吗？
The house needs painting.It's in bad condition.
房子需要上油漆。房子的情况很糟糕。
He did not see the bag until it was too late.
等他看见袋子时已经太晚了。