She always latches on to the latest craze.

她总是对最新时尚有浓厚的兴趣。

It latches on to new ideas.

它抓住新的思想。

The collar includes a pair of latches.

该凸缘包括一对闩锁。

The virus latches onto the red blood cells.

这种病毒附着在红细胞上。

He's a bit slow but in the end he latches on.

他有点迟钝，但毕竟还能理解。