梳毛机通常由两个锡林及和它们相联的道夫组成.The card usually consists of two cylinders and their associated doffers.用矿物油代替惯用的梳毛油.The traditional carding oil has been replaced by mineral oils.有一类基因变异的老鼠会强迫性地给自己梳毛,直到严重受伤为止.A strain of mutant mi...
it's（带撇号）只能用作itis的缩约形式。"It's" (with an apostrophe) should be used only as a contraction for "it is".用句后括号中的词或词组来回答问题, 注意撇号的位置.Answer these questions, using the words in parentheses. Put the apostrophe in the ri...
Many of those changes could just be a temporary fix.那些变革中可能有很多只是权宜之计。He was egocentric, a man of impulse who expected those around him to serve him.他是个以自我为中心、易冲动的人，希望身边的人都为他服务。...those fellows we see working behind the c...