单词：high-pressure oil tube
单词：high-pressure oil tube 相关文章
On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,
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By Gary Garriott Broadcast: November 25, 2003 This is Steve Ember with the VOA Special English Agriculture Report. From the beginning of human history, people have used oils from seeds and nuts. Most
VOA2003（下）-农业与经济
Stethoscope[听诊器] Sphygmomanometer （Blood pressure gauge）[血压计] Thermometer[体温表] Tongue depressor （spatula）[压舌板] Needle[针头] Syringe[注射器] Cotton stick （ball）[棉签（球）] Bandage[绷带] Elastic bandage[弹
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Rising fuel costs are making it more expensive to move food and other goods to the marketplace. That means prices are going up for consumers, but incomes may not be rising enough to keep pace with inflation. As VOA's Kent Klein reports, it also mean
VOA标准英语2008年（八月）
Most of us are familiar with this phenomenon of travel: ear-popping usually happens during takeoffs and landings. 大多数坐过飞机的人都熟悉这样的现象：飞机起飞或落地时我们的耳朵会有胀胀的感觉。 Our ears pop becau
英语新闻
When traveling by plane what makes our ears pop, and what is it exactly that pops? Most of us are familiar with this phenomenon of travel: it usually happens on takeoffs and landings. Our ears pop because of the change in air pressure as the plane as
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