Requirements: Valve must be tight against reverse flow under all pressure differentials.要求: 在所有压差下,阀门对于回流的密封必须紧密.Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.侦探们犯了难，半岛上各...
It is better to stretch the tight muscles first.最好先伸展一下僵硬的肌肉。She walked off the plane in a miniskirt and tight top.她身穿迷你裙和紧身上衣走下了飞机。He held on tight but she prised it from his fingers.他抓得很紧，但她还是掰开他的手，把它拿走了。...
The cicada is stilled. The chorus of the cricket and katydid diminishes.秋蝉安静下来,蟋蟀和蚱蜢的合唱声减弱.Age diminishes the heart's ability to pump harder and faster under exertion.随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。Valuably dimini...
We are always plagued by wasps in autumn.每年秋天，我们这里总是黄蜂成灾。We live in dread not only of unpleasant insects like spiders or wasps, but of quite harmless ones like moths.我们不仅生活在对象蜘蛛或黄蜂这样的小虫的惧怕中, 而且生活在对诸如飞蛾这样无害昆虫的惧怕中Bees and ...