Many universities argued that students learned more when they were in classes out of choice rather than compulsion...很多大学认为如果学生上课是出于自愿而不是被迫，那么他们学到的东西会更多。He seemed drived by some mad compulsion.他似乎受到某种疯狂的冲动所驱使。Slaves work...
He felt a sudden compulsion to drop the bucket and run.他突然有一种想扔掉水桶撒腿就跑的冲动。It's a compulsion to write, more than talent, that makes a writer.成为作家要有天分，但更要有创作的冲动。They made the prisoners do the work by compulsion.他们强迫囚犯...
The stitching had begun to fray at the edges.边沿上的针脚已经开始磨损了。A star was done in red stitching.用红线缝上了一枚星章。The nurse cleansed the wound before stitching it.护士先把伤口弄干净后才把它缝合....