Allylic
烯丙基的
🗣️ 情景例句
This is beautiful! Chinese calligraphy. What do these characters mean?
好漂亮！是中国书法！这上面写的是什么意思？
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
Could you help me please, girls? I want to put these things in the car.
姑娘们，能帮帮我吗？我想把这些东西放到车里面。