不定: indefinite; indeterminate时: shí]不定时操作: non-timed operation不定时电能: secondary energy不定时放牧: off-and-on grazing不定时工作: irregular working hours不定时润滑: occasional lubrication饮食不定时: irregular dietary不定时发生的: sporadic不定时落地扇: floor fan without timer不定: 1.(表示不肯定) indefinite; indeterminate 我明天还不定来不来呢。 it's not at all certain whether i'll come tomorrow. 他一天不定来多少次。 i don't know how many times he comes a day. 事情还不定怎样呢。 it's hard to predict how things will turn out.2.(不稳定) unsteady; drifting; fitful 方向不定的风 a fitful wind; 漂泊不定 drifting from place to place; 心神不定 unsteady in mind; 不定代词 [语言学] indefinite article; 不定冠词 [语言学] indefinite article; 不定式 [数学] indeterminate form; [语言学] infinitive; 不定收入 transitory income定时: timing; at regular time; fixed time 饮食定时 have one's meals at regular time; 定时定点 at a fixed time and location [place]; 定时表 timing indicator; 定时操作 fixed cycle operation不定式;不定的: infinitive不定差: irregular deviation不定尺: random length不定词: infinitive不定的: adventitious; adventive; ambivalent; arbitrary; errant; fluxional; fluxionary; inconstant; indefinit indefinite; indeterminate; indetermined; infinite; infinitive; moveable; mutable; neutral; topheavy; uncertain; undefined; unlimited; unsettled; variable不定地: erratically; inconstantly; variably不定点: nonpoint不定度: degree of indeterminacy; degree of uncertainty; uncertainty不定额: balance due不定风: chopping wind; u teady wind; unsteady wind; variable wind; variablewind不定根: adventitious roots; adventive root不定和: indefinite summation不定湖: astatic lake