Differential pressure meter

differential ['dɪfə'rɛnʃəl]

adj. 差别的;特意的;[数]微分的;[机，物]差动的; n. [数]微分;差别;工资级差;[机]差动器;

di, dif, divid 表示”分开”;”取消”,”否定”;”不同”

pressure ['prɛʃɚ]

n. 压（力）;压力;气压（或血压）（的缩略形式）;压（迫）感; vi. 施加压力;迫使;使（机舱等）增压;

press挤压+ure名词后缀，表行为、状态 →压力

meter ['mitɚr]

n. 计量器;计量仪; v. 用仪表测量;

meter(measure)→公尺；测量器；以测量器计量

Thank you for going out with me. I had a very nice time.

谢谢你陪我出来。我过得很愉快。

Off base!

太离谱了吧！

OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where

00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。