无敌小猪猪侠
你好！差poor 英[pɔ:(r)] 美[pɔ:r] adj. 贫穷的，贫乏的; 令人怜悯的，可怜的; 匮乏的; 低劣的; n. the poor 贫困者，穷人; [例句]The reason our schools cannot afford better teachers is because people here are poor我们的学校请不起好老师的原因是因为这里的人穷。
我是睡觉大王
It's bad to use such backward technique in basic industry.
将此落后的技术运用到基础工业中是有害的.。
It is urgent to change this traditional and backward manufacturing technology.
这种传统落后的制造工艺急待改变。
Work hard, or you will fall behind the other students.
努力学习，否则你将落后于其他人。
She didn't fall behind the others in the study of English.
在英语学习上，她没有落后于别人。
A week's illness made her fall behind with her study.
得了一星期的病，她在学习上落后了。
优质英语培训问答知识库
