how to tell if your soil is clay

· tell sb sth中的tell更多是告知的意思，就是告诉别人有这么一个事的存在 tell sb about sth 的意思包含更多一些，除了告知有这么一个事情的存在，还作了一些说明 比如： tell me he is alive， … tell from 分辨，辨别【固定用法有tell A from B】 例句：I can tell from your face you are lying ( to me). 我可以从你的表情看得出你在（对我）撒谎。 tell apart 区分开，把…区别开【apart一般不加宾语】 例 … tell短语及用法tell about (v.+prep.)告诉有关…的情况 give sb information such as a story, concerning sb/sth tell about sb/sth She told about Linda, who was very kind to her.她谈了谈林达的情况,

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