他的额头上垂着一绺散开的黑色卷发。A curl of black hair fell loosely across his forehead.她撩开他脑门上的一绺头发。She brushed a lock of hair off his forehead.她保留着他的一绺头发.She keeps a lock of his hair....
He was almost neurotic about being followed.他对被跟踪几乎到了神经过敏的程度。Actors, he decided, were too precious and neurotic.他认定演员们太做作，并且都神经兮兮的。She became neurotic about keeping the house clean.她对保持房屋清洁有点神经质。...
炭黑是不透明的,可以防止辐射热传到推进剂内部.Carbon black is an opacifier which prevents radiant energy transmission to the interior of the propellant.研究了纳米炭黑水泥砂浆的导电性和电热特性.Research of the nano carbon black cement mortar electrical and electro...