这种事情只有在外部条件有利时才会发生。Such events occur only when the external conditions are favorable.只有在外部E弦马克铅笔戳洞.Poke pencil holes only in the outer E string marks.动物生产在外部的毛称为保护毛.The outer hair of the animal is called gold ( guard ) h...
The stapler is on the top of the filing cabinet.订书机在文件柜上面.Joan: How would you be able to do my photocopying and filing?琼: 你怎么能复印和整理我的文件?Check and arrange archival material, filing and archiving a regular basis.存查的档案资料的整理...
To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.The agglomeration and sintering of fine particles can necessitate a lowering in temperature of operation.由于微粒易于聚集和烧结,...
在接插件或插头上的一种插脚, 也称管脚.A pin, also called a base pin, on a connector or plug.他十分费力地插脚挤上这辆公交车.He shoved onto the bus with great effort.插脚是三个圆柱,成等腰三角形状,标准电气参数:10A和20A两种.There are two plugs per the new standard at 10 A and at ...