Effective sound pressure

effective [ɪ'fɛktɪv]

adj. 有效的;起作用的;实际的，实在的;给人深刻印象; n. [军]现役兵额，有生力量，精兵;

ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的

sound [saʊnd]

n. 声音，声响;音调，声调;声波;嘈杂声; vi. 响，发声;听起来，好像;回响;[音乐]乐器等被奏响; vt. 使出声，使发声;清楚地发出;宣布，发表;颂扬; adj. 健全的;合理的;完好的，无损的;明智的; adv. 彻底地，充分地;

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

Don't be so grumpy.

别总这么爱抱怨。

We have drapes for the living room,but we need kitchen curtains.

我们有客厅窗帘，但是我们需要厨房窗帘。

You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.

你太好了。当时你把所有的珠宝首饰全都拿了出来，而且说，我要什么就可以拿什么。漂亮的首饰太多了，实在难挑选。后来我终于看中了一条美丽的钻石项链，中间还嵌着一颗大蓝宝石。