Alkide
烃基化物, 烷化物
🗣️ 情景例句
Only one hundred and twenty-one votes!
仅仅一百二十一票！
Do you usually play baseball on the weekend?
你通常在周末打棒球吗？
A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!
在钟塔上干活的一位油漆工把一只油漆桶挂在了一根指针上，把钟弄慢了！