当火上爆发式会有很多吨的粉尘进入大气层，之后便反射了光线。
When large volcanoes erupted they just burst tons of particle into the atmosphere where the particles then reflect light.
这件礼物就是琥珀屋，它之所以有这个名字，是因为造这间房子用了很多吨琥珀。
This gift was the amber Room, which was given this name because several tons of amber were used to make it.
虽然餐馆每年都会丢弃数以吨计的食物，但由于垃圾箱被锁、卫生法规或商业政策等原因，很多食物仍然无法食用。
While restaurants throw away tons of food each year, much of it remains inaccessible because of locked garbage containers, health regulations, or business policies.
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