n ① ［U］ the act of protecting or state of being protected 防卫；保护；警戒：A policeman's first duty is the ～ of the people. 警察的首要职责是保护人民。/We have policemen for our ～. 我们有警察保护。 ② ［C］ a person who or thing that protects 保护者；保护物：Shoes are a ～ for the feet. 鞋是保护脚的。/An apron is a ～ when you do dirty work. 做脏活时，围裙是一种保护物。
【搭】 介：under the ～ of 在…的保护下/介：various ～s against fire 各种防火设 ...... （共378字） [阅读本文]>>
英语常用词n ① ［C］ a fourth part of a whole; ：a ～ of a mile 英里/a mile and a ～ 1英里 ② ［C］ fifteen minutes before
英语常用词n ［C］ ① a measure of time equal to about 365 days， which is the amount of time it takes for the ear
indef art ［A is used before a consonant sound; an is used before a vowel sound.］ 不定冠词［a 用于辅音音素前； an
Ⅰ vt ① give up completely or forever 彻底放弃；抛弃：They ～ed the attempt to climb up the mountain. 他们放弃了登山
(pt & pp abode ［ǝ′ｂǝｕｄ］ or ～d) Ⅰ vt ［esp in neg & inter］ bear; tolerate ［尤用于否定及
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