植物的肺就是其叶片上微细的气孔。A plant's lungs are the microscopic pores in its leaves.在干旱的条件下, 叶子的膨压减少而气孔关闭.Under conditions of water stress, leaf turgor decreases and stomata close.他使橡胶塞牢固地塞进盖上的排气孔.He presses the rubber stopper ...
As long as the verticals align, the design will look regular.只要所有垂直面在一条线上，图案看起来就会很整齐。The undulating planes of the countryside provide relief from the hard horizontals and verticals of the urban scene.乡村起伏不平的地势使人们摆脱了城市刻板的...
Some analysts downplayed the significance of RIM's flat shipments and sales.一些分析师并不认为RIM当季出货量和销售额持平有什么问题.Bands of gunmen have hijacked food shipments and terrorized relief workers.几伙持枪歹徒劫持了运输的食品，还恐吓了救援人员。An investig...
有一次他裤链没拉就出了厕所。He once emerged from the toilets with his flies unfastened.厨房最初夹在早餐厅和厕所之间。The original kitchen was sandwiched between the breakfast room and the toilet.我问是否可以上厕所。I asked if I could go to the loo....