The added competition keeps them on their mettle.加赛让他们全力以赴。The school inspection is going to put the teachers on their mettle.对学校的视察将使教师发挥出他们的全部潜力。For both sides, it's the first real test of their mettle this season...
天文学家能够测定每颗恒星的亮度。An astronomer can determine the brightness of each star.这颗恒星的表面温度估计在零下75摄氏度左右。The star's surface temperature is reckoned to be minus 75 degrees Celsius.这些恒星一定是形成于100到150亿年前。The stars must have formed...
牛的口蹄疫能被无细菌的滤液传播.Food - and - mouth disease of cattle could be transmitted by bacteria - free filtrates.口蹄 疫 已传播到爱尔兰 、 法国、荷兰, 可能还有德国.Foot - and - mouth disease has already spread to Ireland, France and the Netherlands, an...
He had always wanted an adventurous life in the tropics.他一直想到热带地区过冒险的生活。Jimmy Buffett's music conjures up a warm night in the tropics.吉米·巴菲特的音乐让人想起热带地区温暖的夜晚。The waters of the tropics are invitingly clear.热带水域清澈诱人。...