a mile一英里
aart.一(个);每一(个);任一(个)n.英语字母表的第一个字母;学业成绩得优者;表示“最好”的符号
A compromise of morality.道德的沦丧
a slapdash piece of writing一篇粗制滥造的文章
a foolproof security system可靠的安全系统.
A shrapnel broke his leg.他的腿给弹片打断了。
a blacksmith shoeing a pony给小马钉马蹄铁的铁匠.
a lioness guarding her cubs守护幼崽的母狮
a carpet four metres square四米见方的地毯
a narrow closely woven tape一个很窄的近似于机织的带子
a drive to acquire power.希望得到权力的强烈的动力。