Gyroscopes are used in navigational instruments for ships, aircraft, and spacecraft.陀螺仪用于船舶 、 飞机和宇宙飞船中的导航设备.The principle, characteristics, classification and key technologies of fiber - optic gyroscopes are summarized.综...
A heat - relieving beverage is prepared using cogongrass rhizome, mulberry leaf and licorice as the main ingredients.以白茅根 、 桑叶、甘草为主要原料,辅以蜂蜜、柠檬酸、白砂糖,研制出色香味俱佳、清热解暑的保健饮料....
The plant has an unpleasant odour and an acrid taste.这种植物闻着刺鼻，吃着辣口。He was acutely aware of the odour of cooking oil.他闻到一股浓浓的油烟味。The odour of vitamin in skin is repugnant to insects.昆虫很讨厌皮肤内维生素的气味。...
David always collects Alistair from school on Wednesdays.戴维总是星期三去学校接阿利斯泰尔。On Wednesdays I do the shopping.每星期三我都去买东西.The school band practices on Mondays and Wednesdays after school.学校乐队在星期一和星期三放学后演出....