Unknown - In My Bed 细腻抒情女声
unknown in woods 森林人不知
quadratic equation in one unknown 叫做一元二次方程 ; 一元二次方程 ; 方程叫做一元二次方程
linear equation in one unknown 一元一次方程
Unknown factors in 未知因素
In The Unknown Distance 在不知远方
A hundred years ago coronary heart disease was virtually unknown in America.
100年前,冠心病在美国几乎从未有过。
Small-minded officials, rude waiters, and ill-mannered taxi drivers are hardly unknown in the US.
在美国,心胸狭窄的官员、粗鲁的传者和没有礼貌的出租车司机也并不少见。
Or be the first to find a common species unknown in your area.
或者,你也可能成为你所在区域里第一个发现某个普通品种的人。
The exact cause is unknown. But in a recent study, an experimental drug showed signs of halting the disorder in laboratory mice.
VOA: special.2010.05.19
A kind of a pin used to hold your cloak together, called a fibula, unknown in the previous period.
一种别住披风的别针,称之为扣针,这在之前的时期从未出现过
That in the matter of honor these men practice delicacies and refinements unknown in the North.
他们对于荣誉有着雅致,而高尚的追求,这是北方人难以企及的
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