顶梁柱: pillar; backbone 短语和例子他们是这个厂的顶梁柱。 they are the backbone of the factory
这个: 1.(这一个) this one; this 短语和例子这个比那个好。this one is better than that one.2.(这东西) this 短语和例子他为了这个忙了好几天。 he's been busy with this for quite a few days.3.[口语] (用在动词、形容词之前, 表示夸张) so; such 短语和例子看见大象
Example Sentences:
1.
They are the backbone of the factory . 他们是这个厂的顶梁柱。
