Alkenyl
[化] 烯基; 链烯基
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Did you go swimming yesterday?
你昨天去游泳了吗？
She usually wears that round her middle when she goes out.
她外出时总是把它系在腰上。