在交通拥堵的雨天里踩刹车绝不是什么好玩的事。Braking in the wet in heavy traffic is never fun.雨天会给枯草热患者带来欣喜，减轻他们的痛苦。Rainy weather brings blessed relief to hay fever victims.他们更喜欢雨天。They liked it better when it rained....
He was frustrated by his inability to wave down a taxi.连一辆出租车都打不到，他很沮丧。When things go wrong, all of us naturally feel disappointed and frustrated.出问题时，我们大家自然都感到失望和沮丧。He often appeared angry and frustrated by the intransi...
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 ...