单词	人人有益
释义	同BENEFICIAL
随便看	upper-air chart upper-air chart (upper-level charty) upper-air circulation upper-air climatology upper-air current upper-air disturbance upper air front upper-air front upper-air inversion upper air limit upper-air observation upper air route upper air route (uar) upper-air sounding upper-air station upper-air (synoptic) station upper alarm limit upper and lower upper and lower bounds upper and lower case upper and lower limit switch upper anticyclone upper apex of fold upper approximate value upper arc of vertebra