Bromoethylation
[机] 溴甲基化
🗣️ 情景例句
for the repainting of the interior of the building
用来重新粉刷内部
His courage is a lesson to us.
他很有勇气，是我们大家的榜样。
It kept repeating the steps over and over.
蜜蜂一而再，再而三地重复它的"舞步。