Derlin
缩醛树脂
🗣️ 情景例句
Mitchell is
Mitchell是
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。