475. We are divided in our opinions． 我们意见分歧。

474. Walt invented the steam engine． 瓦特发明了蒸汽机。

473. Think carefully before you act． 三思而后行。

472. The teacher got a little angry． 老师有点生气了。

471. The sweater is of good quality. 这件毛衣质地很好。

470. The price just covers the cost． 这个价格正好抵消成本。

469. The eggs are sold by the dozen． 鸡蛋按打卖。

468. Talking with you is a pleasure. 和你谈话很愉快

467. Take me to the airport，please． 请送我去机场。

466. She is a composer for the harp． 她是位写竖琴曲的作曲家