| 正面 | 6217.operational 英 [ɒpə'reɪʃ(ə)n(ə)l]美 ['ɑpə'reʃənl]     |
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| 背面 |     释义： 1、tract- => tract.2、stretch / pull of land or water, plot of land for development.3、little book, treatise, a handling.adj. 操作的；运作的 例句： 1. Exports have not been halted completely because another line is operational.出口并没有完全停止，因为另一条生产线还能运转。 operational (adj.)1922, "pertaining to operation," from operation + -al (1). Meaning "in a state of functionality" is from 1944." |