Ectypum
用凹模铸成的模型
🗣️ 情景例句
I like it here.
我喜欢这里 。
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Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。