Alkide
烃基化物, 烷化物
🗣️ 情景例句
What are some places of interest to visit there?
那儿有什么有趣的地方可以参观的吗？
No need!
免了吧！
when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv
计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。