复数： repellents

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You can make natural insect repellent yourself .

天然的驱虫剂可以自己制作。

Health officials started fogging , distributing larvicide and bug repellent , and scouting for standing water .

卫生医疗部门开始喷洒药物，分发杀幼虫剂与驱虫剂，并开始清查积水。

So far , no one has devised a widely accepted reason why dark energy exists . Nor has anyone figured out why it acts as a repellent .

至于暗能量为什么存在，到目前为止还没人提出得到广泛认可的理由，也没人解释为什么暗能量会起到排斥的作用。

It was first used as a pesticide and later used by soldiers as a repellent in 1946 . It was released for civilian usage in 1957 .

第一次是作为杀虫剂使用的，随后在1946年被士兵作为驱虫剂使用，在1957年向民众开放使用。

It is proven to be a medicinal wonder , as well as a metal polisher and an insect repellent .

它还被证明是药物奇迹、金属抛光剂以及驱虫剂。