alternate
'ɒ:ltәnәt
基本解释
a. 交替的, 轮流的, 间隔的
v. 轮流, (使)交替
英文释义
v. go back and forth; swing back and forth between two states or conditions
v. exchange people temporarily to fulfill certain jobs and functions
v. do something in turns
s. every second one of a series
词形变化
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