她一脸小迷糊的可爱样儿。She wore a sweet and slightly addled expression.更叫人迷糊的是，现今宇宙的膨胀似乎正在加速之中，这真是让人连脑子也一起跟着膨胀。To add to the befuddlement, the expansion of the universe now seems to be accelerating, a process with truly mind-stretc...
These are things which can not be staled by repetition.这些东西不会因为重复而失去新意.These are words which cannot Be staled By repetition.这些话不会因重复使用而变得陈旧.There were some staled toast and sausage in the cupboard.一些不新鲜的烤面包和烤肉放在食橱里....
大多数蝙蝠靠回声定位来飞行。Most bats navigate by echolocation.全球定位系统在赤道附近性能最好。GPS operates best near the equator.你能给潜水艇定位 吗 ?Can you fix a position on the submarine?...