| 单词 | constant |
| 释义 | constant adjectiveverbs | adverb | preposition verbs➤be不变；恒常▸➤remain, stay保持不变◆the level of unemployment remains fairly constant at around 10%.失业率一直维持在 10% 左右，比较稳定。➤hold sth (technical术语) , keep sth使⋯保持恒定；使⋯保持不变◆all variables except one must be held constant.除了一个变量以外，其他所有变量必须保持恒定。◆the temperature must be kept constant.温度必须保持不变。adverb➤fairly, reasonably, relatively比较／还算／相对稳定▸➤approximately, essentially, more or less, roughly大致／基本／或多或少／大体上稳定▸➤almost, nearly, virtually几乎不变；实际上不变▸➤remarkably异常稳定▸➤absolutely绝对稳定preposition➤across在⋯范围内不变◆these electrical properties are virtually constant across a wide range of temperatures.这些电性能在很大温度范围内几乎保持不变。➤over在⋯期间不变◆prices have remained constant over this period.价格在这一时期保持不变。 constant /kɒnstənt; name kɑːnstənt/ [usually before noun] happening or doing sth all the time or very often连续发生的；不断的；经常做某事的◆he is very ill and needs constant attention.他病得很重，需要寸刻不离的照顾。◆her constant chatter was beginning to annoy him.她无休止的唠叨开始使他心烦。◆her daughter is a constant source of worry to her.她的女儿总是让她忧心忡忡。▸ constantly adverb◆how can i finish if i am constantly interrupted?老是有人打扰我，让我怎么完成？ constant (rather formal or technical术语) not changing at all in level or speed over a period of time（水平或速度）不变的，固定的，恒定的◆the samples need to be stored at a constant temperature.这些样本需要在恒温下保存。ⓘ typical collocates of constant are flow, rate, rhythm, speed, state, improvement and temperature. * constant 的常见搭配词有 flow、rate、rhythm、speed、state、improvement 和 temperature。constant/ˈkɒnstənt ||; ˈkɑnstənt/adj1. happening or existing all the time or again and again 经常的；不断的: ◇the constant noise gave me a headache. 噪音不断，使我头痛。 2. that does not change 不变的；固定的: ◇you use less petrol if you drive at a constant speed. 以稳定速度驾驶可节省汽油。 constantsee ⇨ change/not change 22 ⇨ continue 5,7 ⇨ same 5 • • •• ⇨ continual/constant con·stant /`kɑnstənt; ˈkɒnstənt/adj 1. happening regularly or all the time 经常不断发生的; 持续不断的:◇the children must be kept under constant supervision. 孩子必须一直有人照料。 2. staying the same for a period of time ［一段时间内］固定不变的:◇driving at a constant speed 以稳定的速度驾驶 ☞ constant |
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