他们用一台空气压缩机把大气中的空气吸进来, 加以压缩, 然后送入船舱.They used an air compressor to take in atmospheric air , compress it, and force it into the cabin.发电机 、 混凝土搅拌机和空气压缩机的吼声,震荡山谷.Generators, cement - mixers, air compressors shook the groun...
输卵管连接着卵巢和子宫。The fallopian tubes connect the ovaries with the uterus.胎儿在子宫内的发育a baby's development in the womb当受精卵植入子宫壁时，妊娠就开始了。Pregnancy begins when the fertilized egg is implanted in the wall of the uterus....
He picked his teeth with a toothpick.他用牙签剔牙.I had to use a toothpick to remove the food that was stuck between the teeth.我不得不用牙签除去嵌在牙缝的食物.The other end of the twig is sharpened into a sharp point to use as a toothpick......