The slits among XPS boards, difficult to seal, will have a great influence on the thermal insulation performance .这是我自己感觉可以这么写的,却找不到依据,还请老师批改一下!difficult to seal可以这么用的?是修饰slits吧!
...e Moon’s
surface is only a sixth of Earth’s, it takes much less energy to accelerate to that 1.5 miles per second than it
does on Earth.这是新概念4 lesson35中的一句话,加粗部分中的that是作什么作用?我的理解是that作介词to宾语,后面的1.5
miles per second是tha...
...错误的人是我们还是别人?请举例。It has now become evident to us that a mistake has been made.我们已经清楚出了差错。(牛津高级英汉双解词典)这句里的犯错误的人时我们还是别人?has now become可以替换成was now吗? 即:It was now evident...