Dreye权威释义

n.[U]

行为，举止；态度
He was on his best behavior.
他表现极好。
（机器等的）运转状态，性能
The aircraft's behavior was satisfactory on its first test flight.
那架飞机在第一次试飞时运转情况令人满意。
（事物的）反应，变化；作用