Folds of skin cover their eyes and ears to prevent water from entering, and the nostrils close with a watertight seal.

皮肤的皱褶盖住它们的眼睛和耳朵，防止进水，它们的鼻子内有可关闭的防水封垫。

youdao

Crank up the power, and it can emit a warning tone so loud that anyone in its path would have no choice but to cover their ears and run.

加大功率，就能发出一种警告的音调，这种音调非常之大，在它的所及范围之内的任何人听到都只能捂起耳朵逃跑。

youdao

But step inside their house after 4 p.m. most weekdays and you'll want to cover your ears because of the noise -- the screaming, to be exact.

但是如果你在平日的下午4点走进这个家，你会把耳朵捂住---那噪音，准确点儿说是刺耳的尖叫，真让人受不了。

youdao

The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears.

VOA: special.2009.12.23

When the day came and they were put in shackles into the wagon, she had to run upstairs and cover her ears so as not to hear the families wailing down in the shacks.

NPR: E.L. Doctorow on Sherman and 'The March'