4.13打卡
do (sb) good(对某人)有好处,有用处,有益
go on (with sth)发生;(情况、形势)继续下去,持续 ;(尤指停顿或中断之后)继续做(某事)
take/do a course学…课程
carbon dioxide二氧化碳
look around/round环视;环顾;四下察看
look back (on sth)回首(往事);回忆;回顾
look down on/upon sb/sth蔑视;轻视;瞧不起
look out(表示警告,尤指有危险)小心,当心,留神
look up to sb钦佩;仰慕;尊敬
look sth↔ over查看;检查
look at sth思考;考虑;研究. (仔细)察看,检查.看;瞧
look into sth调查;审查
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