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....
摩擦力随预加张力的增加而增加.Friction increases with increasing pretension.法向力的起源与绳子上的张力的起源相似.The origin of the normal force is similar to the origin of tension in a string.由带特殊张力的桥环双键可以得到规整的乙烯类加成聚合物.Regular vinyl addition polymers ma...
这些讨厌的人败坏了这一地带的风气.These dreadful people bring down the tone of the neighbourhood.我们要养成勤俭节约的好风气.We should cultivate the good habits of diligence and frugality.“ 我们民族的好风气又回来了!" It's good to see our great national tradi...