Over-use of those drugs, coupled with poor diet, leads to physical degeneration.过量使用那些药物再加上饮食缺乏营养，导致健康状况恶化。Intensive farming in the area has caused severe degeneration of the land.这个地区的集约化农业使得土壤严重贫瘠化。This is a late chang...
"It's" (with an apostrophe) should be used only as a contraction for "it is".it's（带撇号）只能用作itis的缩约形式。Answer these questions, using the words in parentheses. Put the apostrophe in the right place.用句后括号中的词或词组来回答问题...
He acted both as the ship's surgeon and as chaplain for the men.他在船上为水手们兼作外科医生和牧师。She would swear the same, in a manner of speaking, before chaplain.'可以说, 它就是在牧师面前也会照骂不误的. ”The chaplain relished the privacy and...
An astronomer can determine the brightness of each star.天文学家能够测定每颗恒星的亮度。A new star attracted the notice of the astronomer.新发现的一颗星引起了那位天文学家的注意.It is the only tangible object the astronomer can handle.这是天文学家能够掌握的唯一可接触的对象....