They are the ones who first spot the signs that a goat is unwell.

她们是最先发现山羊不适迹象的人。

The difficulty, rather, is spotting signs of it in the jetsam of subatomic debris these machines produce.

然而，困难在于如何在这些机器制造的亚原子碎片衍生物中辩认出它的踪迹来。

The Defense Department is now taking a hard look at how its screening process can spot warning signs.

国防部现在对可以发现预警信号的筛选过程采取强硬措施。

He spotted the little signs Jemima had left.

他发现了杰迈玛留下的小迹象。

The problem is it can be hard to spot the signs that they are victims of a scam.

问题是很难发现他们是骗局受害者的迹象。

I was on the road in Utah, drawing and talking to people, when I spotted on the side of the road a hand-painted wooden sign.

我在犹他州开着车，给人们画画，和他们聊天，当我注意到路边有个手绘的木头标识。