for when you shut the bellows, the valve cannot close the air-hole because of your finger, 因为, 当你关闭风箱把手时, 你的手指使得阀门无法关闭空气进出的圆孔, and most of the air then escapes through this hole instead of g

发表于:2018-12-18 / 阅读(57) / 评论(0) 分类 英国学生科学读本

外部设施 information desk 服务台 hotel register book 旅客登记簿 registration form 登记表 newsstand 售报处 postal service 邮局服务处 shop 小卖部 bar 酒吧间 lounge 酒店大厅 billiard-room 台球房 dining-room, dining ha

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 英文语法词汇

mattress 褥子 quilt 被 blanket 毯子 sheet 床单 bedspread 床罩 cotton terry blanket 毛巾被 pillow 枕头 pillow 枕头 pillowcase 枕套 mat 席 cushion 垫子 bathroom 浴室 bath tub 浴盆

发表于:2019-01-07 / 阅读(62) / 评论(0) 分类 考研英语

You pump it at a high pressure through a nozzle. You create a spray of detergent. 你用高压将它压过一个喷嘴,你制造了清洁剂喷雾。 Then the spray dries. It turns into powder. It falls to the floor. 喷雾干燥后就成了粉末,

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 TED演讲教育篇

He was riding the LIRR to Oyster Bay. He saw beautiful scenery everywhere. But he also saw graffiti everywhere. There must be a way to stop graffiti, he thought. He did some research. He developed a design for a graffiti-buster. He presented it to a

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英文短篇故事(纽约)

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 英语新闻