I was especially curious about those little white spots that can sometimes crop up on the surface of my nails.

我对于那些有时会出现在指甲表面上的小白点非常的好奇。

youdao

Many choose to simply pay the fine, but their flights can cause Pandemonium when the planes crop up on airport radar screens.

很多人干脆选择直接付罚款，但当他们的飞机突然出现在机场的雷达屏幕上时，这种飞行就会引起一阵混乱。

youdao

But then we move on to the next stage of the training, where some of the problems which actually crop up on the street are imitated.

然后进入训练的下一步：模拟在街道上实际会出现的一些问题。

youdao

Experts say the new methods also increase crop production up to five times more than crops that depend on rainfall only.

VOA: special.2010.02.08

As with any launch this massive, certain issues can crop up on the big day.

FORBES: Halo 4 Launch Goes Off with Few Hitches

But as they begin to crop up on fine restaurant menus and luxury food websites, they are gaining foodie insider cred all the time.

FORBES: Roe Rage

But still some names crop up on half a dozen big boards.

ECONOMIST: The fading appeal of the boardroom