We think we lost this hair because of the need to keep ourselves cool, when we were moving around vigorously in a hot environment.

我们认为，当我们在炎热的环境中活动时，我们需要保持凉爽，所以我们才会掉发。

youdao

He put some gel in his hair, but other than some moisturizer to keep his skin from flaking he couldn't do much about his face.

他在头发上抹了一些发胶，而对于自己的脸蛋，除了用点保湿水防止干燥脱皮外，也做不了别的修饰。

youdao

Use hand lotion to keep your hair from getting too frizzy in the heat.

将护手霜涂抹在头发上可防止其过于卷曲。

youdao

All were watching as a heavyset forty-six-year-old woman, with cornflower-blue eyes, a sweet smile, and auburn hair parted neatly in the middle, struggled to keep pace on a treadmill.

NEWYORKER: The Operator

That observation is only useful, though, if you can multiply dermal papilla cells and do so in a way that allows them to keep their ability to induce hair growth.

ECONOMIST: A cure for baldness

But like a CIA agent or the rare hair stylist who'll keep your secrets, gossip is not in the mystery shopper's after-hours repertoire.

CNN: Confessions of a hotel mystery shopper