What on earth are you doing in a nasty place like Shantytown, you, a respectable darky?你到底在棚户区这个糟糕的地方干什么, 你是个体面的黑人呀?" Law'm , Miss Scarlett, ah doan lib in Shantytown. Ah jes'bidin'hyah fer a spell." 思嘉小姐,...
如果冲量为零, 则动量不变.If the impulse is zero, there is no change in momentum.正周相动力冲量的定义可以用类似的式子表示.The positive phase dynamic impulse can be defined by a similar expression.用于碰撞过程的动量定理——冲量定理.The momentum theorem applied to an imp...
Two words are homophones if they are pronounced the same way but differ in meaning or spelling or both.发音相同拼写和意思不同的两个单词是同音异义词.One reason is to disambiguate homophones.原因之一是为了区别同音词....