🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
He who has a mind to beat his dog will easily find a stick.
有心打狗好找棍；欲加之罪，何患无辞。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。