Worse, computers seem to have further separated children in low-income households, whose test scores often decline after the machine arrives, from their more privileged counterparts.
更糟的是，在低收入家庭买了计算机后，孩子的成绩往往会下降，而且与富贵子弟更加疏远了。
A tape transport where the file reel is separated from the machine reel, and is not enclosed in a cassette or cartridge.
供带盘和收带盘分开的一种磁带机，其磁带卷并不固封在磁带盒中。
To make woolen yarns the fibers are fed to the carding machine where the fiber assemblage is opened or separated tangles are removed. fibers are straightened to some degree and impurities are removed.
生产粗梳毛纱时，将纤维喂入梳毛机。在梳毛机上，毛块被开松分离，纤维之间的纠缠被松解。
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