所有国会议员每两年重新选举一次。Every two years all the congressmen stand for re-election.众议院的四百三十五名议员每两年选举一次.The 435 members of the House are elected every two years.他每两年有一次探亲假.He gets home leave every two years....
这些猫的哀叫引得我的狗毛发竖立。Cats yowl. My dog's hair bristles in response.猫的灵活优美the sinuous grace of a cat猫的爪子可以缩进去, 但狗不能.A cat can retract its claws, but a dog can't....