| 单词 | alternate |
| 释义 | alternate v., adj., & n. --v 1. intr. (often foll. by with) (of two things) succeed each other by turns (rain and sunshine alternated; elation alternated with depression). 2. intr. (foll. by between) change repeatedly (between two conditions) (the patient alternated between hot and cold fevers). 3. tr. (often foll. by with) cause (two things) to succeed each other by turns (the band alternated fast and slow tunes; we alternated criticism with reassurance). --adj 1. (with noun in pl.) every other (comes on alternate days). 2. (of things of two kinds) each following and succeeded by one of the other kind (alternate joy and misery). 3. (of a sequence etc.) consisting of alternate things. 4. Bot. (of leaves etc.) placed alternately on the two sides of the stem. 5. = ALTERNATIVE. --n esp. US a deputy or substitute. Phrases and idioms alternate angles two angles, not adjoining one another, that are formed on opposite sides of a line that intersects two other lines. alternating current an electric current that reverses its direction at regular intervals. Derivatives alternately adv. Etymology: L alternatus past part. of alternare do things by turns f. alternus every other f. alter other |
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