大学英语单词-独山在线

大学英语单词表

本单词表包含15328条英汉词条，帮助你背诵记忆。

performer [ pə'fɔ:mə(r) ] n. 表演者,执行者
e.g. 1. Let's have a good round of applause for the next performer.
咱们为下一个表演者热烈鼓掌吧。
2. The performer received only pitying looks from his audience.
从观众的表情看, 那表演者得到的只是同情和怜悯.

perfume [ 'pə:fju:m ] n. 香水,香气
v. 洒香水于,薰香
e.g. 1. The roses perfumed the air.
玫瑰花的芳香四溢。
2. Can you smell the perfume of the roses?
你能闻到玫瑰花的香味吗？

perfunctorily ad. 敷衍地,潦草地,表面地
e.g.

perfunctory [ pə'fʌŋktəri ] a. 草率的,敷衍的
e.g. 1. The operator answered the phone with a perfunctory greeting.
接线员接通电话，象征性的打了招呼
2. The policy of making only a perfunctory effort or symbolic gesture toward the accomplishment of a goal, such as racial integration.
表面文章一种只对一个要完成的目标、如种族融合而作一些随意的努力或象征性的姿态的策略

pergola [ 'pə:gələ ] n. 棚架,凉棚
e.g.

perhaps [ pə'hæps ] ad. 也许,可能
e.g. 1. Perhaps I am wrong, but I think she is near forty.
也许我错了，但是我想她快四十岁了。
2. Such a mistake would perhaps lead to disastrous consequences.
这样一种错误可能导致灾难性的后果。

pericardium [ ˌperi'kɑ:djəm ] n. 围心, [解]心包膜
e.g.

perigee [ 'peridʒi: ] n. 近地点
e.g.

peril [ 'peril ] n. 危险,冒险
v. 置...于险境,冒险
e.g. 1. The ship was in imminent peril of being wrecked.
那条船马上就有失事的危险。
2. You had better not invest so much money at your peril.
你最好不要冒险投资这么多。

perilous [ 'periləs ] a. 危险的
e.g. 1. Their perilous journey across the ocean has attracted public attention.
他们的越洋冒险旅行引起了公众的注意。
2. It is true during their explorations they often faced difficulties and dangers of the most perilous nature.
确实在探险中，他们经常面临着各种最有危险性的艰难和险阻。

perimeter [ pə'rimitə ] n. 周长,周界
e.g. 1. The plane stalled, flipped over onto its back and crashed near the perimeter.
飞机失速了，翻了一个跟头，坠毁在机场环形围栏附近。
2. The barbed wire fence round the perimeter discouraged intruders.
周围有铁丝网阻止了外人闯入.

period [ 'piəriəd ] n. 学时,课时,一段时间,时期,周期,句点
e.g. 1. We have three periods of chemistry a week.
我们一星期三节化学课。
2. Which period of history are you studying?
你正在学哪一段历史？

periodic [ piəri'ɔdik ] a. 周期的,定期的
e.g. 1. The doctor made periodic visit to the house to see if the baby was all right.
医生定期到这家进行拜访，检查婴儿有没有问题。
2. The quality or state of being periodic; recurrence at regular intervals.
周期性周期出现的性质或状态；以固定的间隔而发生

periodic table  周期表
e.g. 1. A column in the periodic table of the elements.
   属，族元素周期表上的一栏
2. The periodic table now contains all the elements known to man arranged in their proper sequence.
   现在周期表包括人类已知的全部元素，这些元素按适当的顺序排列起来。

periodical [ ˌpiəri'ɔdikəl ] n. 期刊
a. 周期的,定期的
e.g. 1. The periodical is obtainable on the very first day of every month.
这本杂志每月一号出版。
2. I should be glad if you could insert this article into your periodical.
如果能把这篇文章登在你的期刊上我将很高兴。

periodically [ ˌpiəri'ɔdikɚli ] ad. 周期性地,定期地
e.g. 1. New strains of viruses appear periodically.
新菌系的细菌周期性地产生
2. A device that periodically and automatically opens and closes an electric circuit, producing pulses.
断续器一种阶段性的能自动打开及关闭电路并产生脉冲的仪器

periodicity [ ˌpiəriə'disiti ] n. 定期性,周期性,周期数
e.g.

peripatetic [ ˌperipə'tetik ] a. 巡游的
e.g. 1. Peripatetic music teachers visit the school regularly.
兼职音乐教师定期到校授课.

peripheral [ pə'rifərəl ] a. 不重要的,外围的
e.g. 1. An interface unit or circuitry that converts data to and from the representation used by a particular peripheral device or class of peripheral devices; for example, a device that converts between bit serial and bit parallel and resolves differences in transmission speeds.
一种接口部件或电路，用来把数据转换成某种特殊的外围设备上的表示或某类外围设备上的表示或把此种表示转换成数据。例如，一台在串行位和并行位之间作转换且解决传输速度差别的设备。
2. The central processing unit of a computer exclusive of peripheral and remote devices.
主机计算机除了外部和分离的装置以外的中心运作部件

periphery [ pə'rifəri ] n. 周边(边缘,圆周,圆柱体表面)
e.g. 1. The idea is also expressed by minor poet on the periphery of the movement.
该运动外围一些不大出名的诗人也表达了这些观点。
2. Carrying inward to a central organ or section, as nerves that conduct impulses from the periphery of the body to the brain or spinal cord.
传入的传入到中央器官或部分的，如从身体的神经末梢周围传导神经冲至大脑或脊柱腱的神经

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