became scarce翻译

became scarce的基本解释

读音: 美: 英:

变得稀缺:指某物逐渐变得不足或难以获得。

例句

Because oil and natural gas became scarce?因为石油和天然气变得稀缺了,是吗?
As trees became scarce and they could no longer construct wooden canoes for fishing, they ate birds.由于树木变得稀少,他们不能再建造木制的独木舟来捕鱼,只好捕食鸟类。
It was argued that once hunter-gatherers had occupied the whole world, the population started to grow everywhere and food became scarce; agriculture would have been a solution to this problem.有人认为,一旦狩猎采集者占领了整个世界,世界各地的人口就会开始增长,食物将变得稀缺;农业本来是解决这一问题的方法。
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