Wacky ideas are commonplace among space scientists.太空科学家想法古怪是不足为奇的。Some of his friends are pretty wild and wacky characters.他的一些朋友是那种放荡不羁又怪里怪气的人。Have you been using that wacky paste stuff that made me see my sister get e...
Venus, Earth, and other planets also perturb Mercury's motion.金星, 地球和其他行星也使水星的运动受到摄动.Stellar passings can perturb the orbits of comets.行星的运行会使彗星的轨道发生扰动....
An emoticon is a textual portrayal of a writer's mood or facial expression.符号表情)是书写者情绪或者面部表情的文字表现方式.We can use our eyes and facial expressions to communicate virtually every subtle nuance of emotion there is.我们用眼睛和面...
She stumbled and fell, scraping her palms and knees.她绊了一下摔倒了，手掌和膝盖都蹭破了。The only sound is that of knives and forks scraping against china.只听见刀叉摩擦瓷器的刺耳声。We're barely scraping by on my salary.我们靠我的工资勉强度日。...