例句:Recycling of rubbish costs money and requires special equipment.
回收利用垃圾的造价很高, 又需要专用设备。
2.chance n.机会;可能性,或然性;偶然性,运气
3.hobby n.业余爱好 兴趣
例句:He entered into politics as a hobby.
他参加政治活动是作为一种业余爱好。
4.admire vt.赞赏; 钦佩; 仰慕
例句:We admire his working so hard.
我们钦佩他工作努力。
称赞, 夸奖
例句:Don't forget to admire the baby.
不要忘了夸奖那孩子。
5.regular adj.有规律的, 定期的, 定时的
例句:He leads a regular life.
他过着有规律的生活。
He heard the regular noise of the clock.
他听到时钟有规律的滴嗒声。
6.sustain v.维持
例句:During the war we had just enough food to sustain us.
战争期间, 我们的食物仅够维持生活。
7.generosity n.慷慨, 大方, 宽容,宽宏大量
例句:We were completely knocked out by their generosity.
他们的宽宏大量使我们感到十分吃惊。