英语 翻译 be busy doing sth

英语 翻译 be busy doing sth be busy in doing sth be busy doing sth 例句 有什么英语词组像be busy doing sth ,反正就是be.doing sth的词组 be busy doing sth/with sth be busy with sth 与be busy doing sth be busy doing sth和be busy with sth be busy with sth.be busy doing sth. 用be busy doing sth.句型造句 有没有be busy with doing sth? be busy doing sth等于什么 be busy with sth.spend on sth.be busy doing sth.spend doing