101. preface to ……的前言 如：

an essay written as a preface to a more detailed work
作為更為詳細的作品的序言而寫的文章

102. preparation for 準備 ?如：

They have made good preparation for the upcoming elections.
他們對即將到來的選舉作了充分的準備。

103. preference to sth 優(yōu)先 ?如：

In considering people for jobs, we give preference to those with some experience.
對于求職者，我們優(yōu)先考慮有一定經(jīng)驗的人。

104. proposal for sth 建議 ?如：

I reflected on this proposal for some time.
這項建議我仔細想了一些時候。

105. prejudice against 對……的偏見 ?如：

He has a prejudice against all foreigners.
他對所有的外國人都有偏見。

106. protection for sb 保護 ?如：

environmental protection for exploration engineering
探礦工程環(huán)境保護

107. protest against sth 抗議 ?如：　

The Russian team entered a protest against the tactics of American side.
俄羅斯隊提出正式抗議，反對美國隊的戰(zhàn)術。

108. ratio of sth to sth 比率 ?如：

The ratios of 1 to 5 and 20 to 100 are the same.
1與5之比和20與100之比相同。

109. reaction to 對……的反應 ?如：

a negative reaction to the new advertising campaign
對新廣告的宣傳手法持反對立場

110. reason for 原因，理由 如：

Their reason for doing it is still a puzzle to me.
他們?yōu)槭裁匆龃耸挛胰阅涿睢?/p>