他们生活在富饶的土地上.They lived on the produc - tive land.北部的山谷更富饶.The valleys to the north are more fruitful.比尼亚莱斯谷草木繁茂，土地富饶，是古巴最美的风景胜地之一。The Valley of Vinales is a lush and fertile valley and one of Cuba's finest beauty sp...
An intelligent computer will be an indispensable diagnostic tool for doctors.智能计算机将成为医生不可或缺的诊断工具。The lack of good diagnostic test isn't fortunate.缺乏好的诊断性测试是不利的.Both electrocardiograms and electroencephalograms are i...