preserve from 保护,使……免遭
press for 催逼;迫切要求
by pressed for 缺少,缺乏
prevail over 获胜,占优势
prevent...from... 阻止,妨碍
take pride in 以……自豪
on principle 根据原则,按照原则
on the principle of 根据……的原则
prior to 在前,居先,比……在先
in proportion to 与……成比例;与……相称
make progress with 在……方面取得进步
out of proportion 不成比例;不相称
protect...from 保护……不受……
in public 公开地,当众
pull down 拆毁,拉倒;使降低
pull in (车)进站;(船)到岸
pull into 进入;到达
pull off 脱(帽等);努力实现
pull on 穿上;继续拉(或划)
pull out 拔出,抽出,挖出
pull through 使渡过(危险等)
pull up (使)停下;拔起(树等)