verb 下载 🔗分享 使坚硬,使坚强。 To make tough. Examples : "The chef had to toughen the meat by slow-cooking it for several hours. " 厨师需要用慢炖几个小时的方法来使肉质变嫩并更易嚼,也可以理解为使肉变得酥烂。 quality condition 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 变硬,变得坚强。 To become tough. Examples : "The cold weather toughened the young plants, making them stronger. " 寒冷的天气使这些幼苗变得更加坚韧,让它们长得更壮实了。 condition ability process 与AI对话词汇游戏阅读练习