Waa
abbr. wartime aircraft activity 战时飞机活动; welded aluminum alloy 焊制铝合金; with added adhesive 具有增强的黏附性
🗣️ 情景例句
I think she has a stomachache.
我想她肚子痛。
The prerequisite for Chinese Lit is Freshman Lit and Comp.
若要从事中国文学，必须在一年级修文学与作文。
Mr. Smith is in charge of this class.
史密斯老师负责该班。