It is like a chemical reagent.这就像是一种化学试剂.This bifunctional reagent links protein molecules to one another.这种双用试剂把蛋白质分子彼此连接起来.The reagent possesses specificity for water.这种试剂对水有特殊的作用....
气体似乎由一汽缸漏出。The gas had apparently leaked from a cylinder.混合体由汽化器注入汽缸.The mixture is fed into the cylinder from the carburettor.那辆吉普车有4个汽缸.That jeep has four cylinders....
They hauled feedlot manure from the ranches to fertilize their fields.他们从牧场的饲养场拖走肥料去肥田.Fertilizer is a substance put on land to fertilize it.肥料是施在地里使之肥沃的物质.It only takes one sperm to fertilize an egg.只需要一个精子就能让卵子受精。Only ...
I'm dreading Christmas this year.今年我非常害怕过圣诞节。This was the moment he had been dreading.这是他一直最担心的时刻。This was exactly the emergency she had been dreading for weeks.这正是几星期以来她一直在担心的紧急关头啊!...