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I mean, the kids get picked on a little, but it toughens them up.
我意思是，孩子们会有点不习惯，但这可以锻炼他们。
《Hotel Transylvania 2》《精灵旅社2》
双语例句
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A falcon has scaly skin on its legs that toughens up very quickly.
猎鹰的腿上有能很快硬化的鳞状皮。
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Toughens the Barbarian's skin, increasing armor by X%.
使野蛮人的皮肤变硬，增加X%护甲。
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Salt is included in the dough because it regulates the rate of fermentation, toughens the gluten, and prevents the bread from being insipid in taste.
面团中还掺进了盐，因为盐可以调节发酵速率，韧化面筋，防止面包味道变淡。