释义 |
at-
at-pref. Variant of ad-..at1 (æt; unstressed ət, ɪt) prep. 1. (used to indicate a point or place occupied in space); in, on, or near: to stand at the door. 2. (used to indicate a location or position, as in time, on a scale, or in order): at age 65; at zero; at the end. 3. (used to indicate incidence or occurrence): at the sound of the bell; at low tide. 4. (used to indicate presence or location): at home; at hand. 5. (used to indicate amount, degree, or rate): at great speed; at high altitudes. 6. (used to indicate a direction, goal, or objective); toward: Look at that. 7. (used to indicate occupation or involvement): at work; at play. 8. (used to indicate a state or condition): at ease; at peace. 9. (used to indicate a cause or source): She was annoyed at their carelessness. 10. (used to indicate relative quality or value): at one's best; at cost. [before 900; Middle English; Old English æt, c. Old Frisian et, Old Saxon, Old Norse, Gothic at, Old High German az, Latin ad] at2 (ɑt, æt) n., pl. at. a monetary unit of Laos, equal to 1/100 of a kip. [1950–55; < Lao; ultimately < Pali aṭṭha eight] at- var. of ad- before t: attend. AT 1. achievement test. 2. antitank. At ampere-turn. At Chem. Symbol. astatine. at. 1. atmosphere. 2. atomic. 3. attorney. EncyclopediaSeeATMedicalSeead-ThesaurusSeeAt |