Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
All of this comes before eating. OK?
这些都是在吃之前先得做的事 ,知道吗?
His trousers in the wardrobe.
他的裤子在衣柜里。
But I must ask my parents first. What time shall I come?
不过我必须先问问父母。我几点钟来呢?
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