那位网球选手将球用力打出球场去了.The tennis player belted the ball right out of the court.他为了那小男孩顶嘴而用力打他.He whacked the little boy for talking back.他用力打我的下颚.He sloshed me on the chin....
二百五十多年前的惠更斯目镜今天还在广泛使用.The Huygens ocular , which dates back over 250 years is still in wide use today.此时场镜上的划痕和小点会在接目镜中看见.Then the scratches and spots on the field lens would be visible at the eye lens.在这两种仪器中, 物镜所成的象都是通...