She cut her hair into a bob, thick on top and thin at the ends.

她把头发剪成了波波头，顶部厚实，发尾纤细。

金山词霸

Any cut that's designed to weigh down hair so it's flat like a one - length bob.

任何会使头发扁塌变得很平的发型,比如一线形波波头.

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