这个男孩在上小学的时候就初次显示出成为运动员的潜力。The boy first showed promise as an athlete in grade school.孩子们先上幼儿园，然后上学前班，再接着上小学。Children graduate to the kindergarten, then pre-school, and then school.这所小学有多少学生？How many pupils does the schoo...
A powerful electric current is passed through a piece of graphite.给一块石墨通入强电流。Electric current is often powerful enough to kill a man.电流常强得足以致命.This engine puts out more electric current than the other one.这台发电机比另一台发的电多....
每瓣蒜外面的薄皮都要留着。Leave each garlic clove in its papery skin.将辣椒切为4瓣.Cut the peppers into quarters.把蘑菇切成丁，再把西红柿切成四瓣。Chop the mushrooms and quarter the tomatoes....