Cev
abbr. convoy escort vessel 护航舰; cryogenic explosive valve 低温爆发阀门
🗣️ 情景例句
Attending school is compulsory in this country.
这国家衽的是义务教育。
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
Pippa. I called to ask you if you'd like to come to a lecture on Thursday evening at the college.
皮普，我打电话是问你是否想听周四晚上在学院的一个讲座。