Many streams have flooded their banks, making some roads impassable.许多小河的水已经漫过堤岸，造成一些道路不能通行。The mud made the roads impassable.道路因为泥泞而无法通行.The avenue had never been paved, and deep mud made it impassable in winter.这条大街从未铺...
There was an impassable barrier between the white race and the one which they had reduced to slavery.在白色人种和被他们奴役的种族之间有一道不可逾越的障碍。The avenue had never been paved, and deep mud made it impassable in winter.这条大街从未铺过路面，冬天泥泞不堪...
重农学派和斯密都信奉自然秩序.Heavy agronomy clique and Si Mi order of believe in nature.贾思勰被认为是农学的先驱者之一.Jia Sixie is known as one of the pioneers of farming.中国最早开始农学研究.Science on agriculture was first invented in China....
Adding 0.1 % Tween - 80, Triton - 100 , or EDTA to the culture markedly improved GAL activity.在培养基中添加0.1%的Tween-80 、 Triton -100 和EDTA均能显著地提高α - 半乳糖苷酶产量.She may be the key to Triton's undoing.她可能会成为消灭特莱顿的关键....in 19...
The newspaper launched a vitriolic attack on the president.这家报纸对总统发起了一场恶意的攻击。The newspaper launched a vitriolic attack on the president.这家报纸对总统发起了一场恶意的攻击。We deplore the vitriolic nature of his remarks.他言语中敌意昭彰,我们深感遗憾....
Only magnetic dipole and higher multipole configuratons occur in nature.自然界中只能出现磁偶极子以及磁多极子的形式.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.禁戒跃迁指的是选择定则所不容许的...