1.contaminate 污染,弄脏
例句:Rain can leach out these chemicals and contaminate ground water beyond the landfill boundaries.
一旦下雨,这些化学品即可滤出,从而污染垃圾填埋场地界以外的地下水。
2.tsunami 海啸
例句:A terrible tsunami followed the earthquake.
一场骇人的海啸跟随地震而来。
3.particle 颗粒
例句:We can see the dust particles floating in the sunlight clearly.
我们可以很清楚地看到阳光下的灰尘颗粒。
4.dilute with 用……冲淡;用……稀释
例句:You can dilute combustible gases with carbon dioxide
你可以用二氧化碳稀释可燃性气体。