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来源:雅诚德英语网
How much longer it will be before they invade the rich uplands of the continental shelf is hard to say.
它们多久后会入侵富饶的大陆坡高地还不好说。
How much longer it will be before they invade the rich uplands of the continental shelf is hard to say.
它们多久后会入侵富饶的大陆坡高地还不好说。