单词：aviation hygienics
单词：aviation hygienics 相关文章
EXPLORATIONS - Aviation Hall of Fame By Paul Thompson Broadcast: Wednesday, February 11, 2004 (THEME) ANNCR: This is Doug Johnson. Today on Explorations in VOA Special English we tell about some men a
Explorations
Whether we feel rewarded and content in a job depends on several different aspects. The psychologist Frederick Herzberg believed that these could be divided into two groups. In his Theory of Motivation, Herzberg called these groups the Hygiene Factor
人教全日制普通高中英语（必修）高三(全一册)
如果你每天都在办公桌前工作,你要注意了.你知道你每天使用的办公桌上有多少细菌吗?数字惊人. 办公室键盘比马桶还脏 Daily Mail: Millions of us spend our days slaving over a keyboard. But lurking between the
双语趣听精彩世界
Ann. 陈豪是在北京的美国ABC公司工作的年轻人。他今天到外面办事刚回来。一回到办公室就急着去找美籍华人Mary 。 (Office ambience) C：嗨，Mary，我刚才去我们的会计公司。接待我的那位先生身上
商务英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? You might think that the World Toilet Summit was a meeting of Wall Street bigwigs. But no, its actually about toilets. The three day conference opened on November 4th
Scientific American(十一)月
AS IT IS 2015-09-22 Saving the Honeybees, One Hive at a Time American Billy Davis has been keeping bees since the 1960s. He has followed the sharp drop in the number of honeybees across the country. Two years ago, he set up a non-profit group called
2015年VOA慢速英语(九)月