had formed翻译

had formed的基本解释

读音: 美: 英:

已形成的：指已经形成或发展起来的。

例句

It will never be known how and when this numeration ability developed, but it is certain that numeration was well developed by the time humans had formed even semi-permanent settlements.我们永远也不会知道这种计算能力是何时、如何发展起来的，但可以肯定的是，在人类形成半永久定居点的时候，这种计数法已经发展得很好了。
Puddles had formed in the dips.低洼处形成了一个个水坑。《牛津词典》
A skin had formed on the top of the milk.奶上结了一层奶皮。《牛津词典》

短语

had formed Lamellar Bone 形成板层骨
Beijing Had Been Formed 北京就已经形成
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