A strong liquid adhesive obtained by boiling collagenous animal parts such as bones, hides, and hooves into hard gelatin and then adding water.

胶水：一种强液体粘剂，通过煮胶原质的动物部分如骨胳，皮革和蹄，把它们煮成硬动物胶然后加水而制的。

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One of the most common mistakes people make when brewing tea, she says, is adding boiling water, which burns the leaves and turns them bitter.

她说，泡茶最常见的错误就是用开水，因为开水会烫坏茶叶，使茶水变苦。

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