Cev
abbr. convoy escort vessel 护航舰; cryogenic explosive valve 低温爆发阀门
🗣️ 情景例句
Well ... what do you think? Do I have my book?
那么， 你看怎么样 ？我的书可以出版吗？
Have you taken a train?
你坐过火车吗？
I have been putting on weight.
我开始发胖了。