The crowds became violent and threw petrol bombs at the police.人群变得狂暴起来，并向警察投掷汽油弹。I threw aside my mosquito net and jumped out of bed.我把蚊帐甩到一边，跳下床来。She balled the handkerchief up and threw it at his feet.她把手绢揉成一团，丢在了他的脚边...
核潜艇是一种战略武器.The Nuclear submarine is a kind of strategic weapon.这艘核潜艇价值可达十亿多美元.For example : A nuclear submarine is worth more than a billion dollars.核潜艇成功发出了一份电报.A cable was successfully sent from the submarine....
Why do hummingbirds and gorillas both have backbones?为什么蜂鸟和大猩猩都有脊骨?Two gorillas have escaped from the zoo.两只大猩猩从动物园逃走了.the similitude between humans and gorillas人类和大猩猩的相像Keeper Emily Pugh , 22, said Kera was already sett...