They painted the underside of their planes with a black varnish.他们在飞机的底部涂上了一层黑漆.A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。Clusters of tiny insects called aphides were to be found on the underside ...
A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。They painted the underside of their planes with a black varnish.他们在飞机的底部涂上了一层黑漆.The underside of the rock was covered with seaweed.岩石的下面布满了海草....
A downpour of rain put out the children’s bonfire.一阵大雨把孩子们的营火都浇灭了。The seeds that had been sown were almost completely washed away by a sudden downpour.已经播下的种子几乎被一场突如其来的暴雨全冲走了。It was the heaviest downpour ever recorded.那是...
Their success is conditional, I suggest, on this restriction.我认为他们能否成功取决于这一限制因素.Some restriction on funding was necessary.有必要对资金提供加以限制。The 30 mph speed restriction applies in all built - up areas.每小时限速30英里适用于所有建筑物聚集区....
氨的合成主要经过四道工序.There are four major steps in ammonia synthesis.试计算氮在尿素及硫酸氨的质量百分率.Calculate the percentage by mass of nitrogen in urea and ammonium sulphate.这种肥料经过化验表明氨的含量很高.Tests of the manure showed a high ammonia content...