机械工发现飞机的导航系统存在问题。Mechanics discovered problems with the plane's navigation system.机械工给汽车轴上了润滑油.The mechanic greased the car's axle.机械工将发动机中的油全部放走.The mechanic drained all the oil from the engine....
In acoustics he studied the propagation of sound and musical consonance and dissonance.在声学中,他研究了声的传播和音乐的和谐与不和谐.Psychologists talk about ego , id, and cognitive dissonance.心理学家讨论利己主义 、 本能冲动和感知不协调.Minerals can also be prog...
Unfortunately, Grandma always seems to awaken at awkward moments.不幸的是，奶奶好像总是醒来的不是时候。Malcolm worked up the nerve to ask Grandma Rose for some help.马尔科姆鼓起勇气请罗丝奶奶帮点忙。We listened with bated breath to Grandma's stories o...
她十六岁，而智力年龄是五岁。She is sixteen but has a mental age of five.她十六岁时进了修道院.She entered a convent at the age of 16.他参军时刚刚十六岁.He was scarcely sixteen when he joined the army....