单词：heliox
音标：['hi:ljɔks] ；
n. 氦氧混合气(含98%氦和2%氧,供潜水员在深水中维持呼吸用)
单词：heliox 相关文章
01Going Out of Business GLOSSARY to gobelly up to fail as a business; to have to close because a business is not earning enough money* The farm went belly up when it didnt rain enough for two summers in a row. to struggle to try very hard or for a ve
发表于:2018-12-03 / 阅读(352) / 评论(0)
2008年ESL之商务英语
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By Deborah Block Washington, DC 23 May 2006 watch New Sunscreen report Sunscreen with helioplex A new ingredient in sunscreen is being called the most important advance in skin protection from the sun
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2006年VOA标准英语（五月）
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Julianne: Im really glad to be back in Macville. What happened to the market that used to be here? Helio: Oh, it went belly up . It struggled for many years. The owners tried to downsize and reduced the space they were renting, but they had to throw
发表于:2019-02-18 / 阅读(289) / 评论(0)
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