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- Unit 101 The Ozone Hole: Why over Antarctica? 臭氧空洞：為什么出現在南極洲上空?
- The luminous intensity on unit area. 單位面積上的發(fā)光強度。
- The family is the smallest social unit. 家庭是社會(huì )最小的單位。
- Pressure is force per unit area. 壓力就是電單位面積上的力。
- A set of data elements which are handled as a unit. 作為一個(gè)單元來(lái)處理的一組數據元素。
- The family is the basic unit of society. 家庭是社會(huì )的基本單位。
- A metric unit of area equal to 10 ares. 十公畝面積的公制單位之一，等于十公畝。
- A metric unit of mass equal to 100 grams. 百克公制質(zhì)量單位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的單位，等于1,000瓦。
- The pollution had destroyed ozone layer and caused many changes in weather. 污染破壞了臭氧層，并引起了許多天氣變化。
- A unit of frequency equal to one cycle per second. 赫茲頻率的單位，等于每秒一周
- CFCs cause depletion of atmospheric ozone. 氟氯化碳會(huì )損耗大氣臭氧。
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿馬和烏拉圭的貨幣單位
- A metrical unit consisting of seven feet. 七韻步由七個(gè)音步組成的格律單位
- A unit of currency in North Korea and South Korea. 朝鮮和韓國的一種貨幣單位
- Dyes have to be more resistant to ozone. 染料更能抵制臭氧。
- A squad is the smallest unit in an army. 班是軍隊的最小構成單位。
- The monetary unit of Great Britain is the pound. 英國的貨幣單位是鎊。
- To treat or impregnate with ozone. 用臭氧處理，使充滿(mǎn)臭氧進(jìn)行臭氧處理或注入臭氧
- I'm thinking of buying a hi-fi unit. 我正在考慮買(mǎi)一套高保真音響設備。
