backflow

/ˈbækfloʊ/

Meanings

noun

倒流，回流

The flow of a fluid (through a pipe etc) in a direction opposite to that which is normal or intended.

Examples :

"The plumber installed a backflow preventer to stop the dirty water from the drain from causing a backflow into the clean water pipes. "

水管工安装了一个止回阀，以防止排水沟里的脏水倒流回干净的水管里。

Related Words

installed verb

/ɪnˈstɔːld/

安装，装设

"My dad installed a new security system in our house yesterday. "

昨天我爸爸在我们家安装了一套新的安全系统。

plumber noun

/ˈplʌmə/

水管工，管子工

"The old plumber worked with lead pipes in the school's plumbing system. "

那位老水管工在学校的管道系统中安装和维修铅管。

opposite noun

/ˈɒpəsɪt/ /ˈɑp(ə)sɪt/

反面，对立面

"My brother's opinion is the opposite of mine on the best way to study for the exam. "

在考试复习的最佳方法上，我哥哥的意见和我的正好相反。

through noun

/θɹuː/ /θɹu/

贯石, 穿石。

"The dry-stone wall used a large, flat through to support the top stones. "

这堵干砌石墙用了一块又大又平的贯石来支撑顶部的石头。

preventer noun

/prɪˈvɛntər/ /priˈvɛntər/

预防者，阻止者，妨碍物

"The screen protector acted as a preventer, stopping the phone's glass from cracking when it fell. "

这个屏幕保护膜起到了预防作用，阻止了手机屏幕在掉落时碎裂。

fluid noun

/ˈfluːɪd/

液体, 流体

"The water in the swimming pool is a fluid that easily takes the shape of the pool. "

游泳池里的水是一种流体，能够很容易地呈现出泳池的形状。

intended verb

/ɪnˈtɛndɪd/

打算，意图。

"He intends to go to university."

他打算去上大学。

direction noun

/d(a)ɪˈɹɛk.ʃən/

方向，方位，指向。

"Keep going in the same direction."

继续朝这个方向走。

normal noun

/ˈnɔːməl/ /ˈnɔɹməl/

法线，正规线。

"The carpenter used a T-square to draw a normal to the edge of the wooden board. "

木匠用丁字尺在木板边缘画了一条法线。

which pronoun

/wɪt͡ʃ/

哪个，哪些

"By now, you must surely know which is which."

到现在，你肯定应该知道哪个是哪个了吧。

dirty verb

/ˈdɜːti/ /ˈdɝti/

弄脏，玷污

"The children dirty their hands while playing in the mud. "

孩子们在泥地里玩耍，把手弄脏了。

causing verb

/ˈkɔzɪŋ/ /ˈkɑzɪŋ/

导致，引起。

"The lightning caused thunder."

闪电引起了雷声。