The old latch on the barn door is rusty.

谷仓门上的旧门闩已经生锈了。

Position the latch on the hood inner panel.

把锁闩定位在引擎罩内板上.

Reaching down, he unfastened the latch on the gate.

快要下车时, 他解开了大门的门闩.

Would you mind repeating that? I didn't quite latch on.

这句话请你再说一遍好吗?我没完全听懂。

She's listening for concepts that she can latch on to and go on often.

她经常都会注意听一个她能抓住并借题发挥的点。

When it wafts in again, antibodies on the surface of white blood cells recognize it and latch on.

当它再次出现，白细胞表面的抗体就会立刻识别出来并将其锁定。

More knowledgeable tweeters were quick to latch on to the embarrassing error. 'The ignorance is astounding,' wrote one commenter.

更多博学的推特用户迅速出来纠正这个尴尬的错误。一位用户这样评论道：“这种无知太令人震惊了。”

Furthermore it is trace metals that act as attractants within red and white blood cells to latch on to oxygen sugar waste or free radicals in the blood.

而且正是由于微量金属，能作为红细胞白细胞的诱引剂来抓住血液中的氧、糖、废物或自由基。