回答数
4
浏览数
82
winonafirst1
must, shall, have to, necessary to, be forced to, it is imperative to, absolutely, inevitable
鸭梨山大痕
必须的英语翻译:must; necessary; have to; be obliged to; gotta[例句]必须对这些鸟称重，辨识雌雄并挂上标牌。The birds must be weighed, sexed and tagged.
一只自由鱼儿
must, have to, should, necessary, ought to, be obliged to, can not but do
品嵊红木
must ought to
优质英语培训问答知识库
