电离层是指含有带电物质的空间区域.The ionosphere is that region of space contatining electrically charged species.其上限由电离层的状态而决定.Its upper limit is determined by the conditions in the ionosphere.火箭和人造卫星能够到达电离层以上极远的地方.Rockets and artificia...
路标给游客指路.Sign posts direct travelers.那位哲人的思想曾是许多青年的指路明灯.The philosopher's thinking was the beacon to many young people.他们把这种理论看作是他们前进的指路明灯.They regarded this theory as a beacon lighting up their advance....
Contested Guardianship proceedings will result in your Estate incurring needless expense.争夺监护权的诉讼可能会产生不必要的费用,而这笔费用会在你的财产中扣除.Security and Protection Service: including doorkeeper, guardianship and patrolling security serv...
There was constant jeering and interruption from the floor.议员席上不断有人在嘲讽和打岔.He was holding a cloth that dripped pink drops upon the floor.他正拿着一块布，布上粉红色的水滴落在地板上。She had been sitting with her knitting at her fourth-floor win...
Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.M...