倒数的英文：
count down
count-down
reciprocal

The inverse of 1/3 is 3. 1/3.
的倒数是3.。

Its decay probability per second is the inverse of this time.
每秒的衰变几率是这个时间的倒数。

Count down in reverse order 10,9,8...
倒数10,9,8--

Let's count down before start
开始前我们倒数计时。

opacity is the reciprocal of transmission
阻光率是透射率的倒数。

The main stress in `photography' falls on the antepenultimate syllable.
photography一字的主重音在倒数第三个音节上.

Much to his chagrin,he came last in the race.
他因跑个倒数第一而垂头丧气.

He stayed with the foremost runner till the last lap but one.
他直到倒数第二圈还紧紧地跟住领先的那个赛跑运动员。

He stayed with the foremost runner till the last lap but one
他直到倒数第二圈还紧紧地跟住领先的那个赛跑运动员。

Glbson has stuck by Robson despite seeing his side slip into the bottom three.
虽然球队排名降至倒数第三，积逊仍然对笠臣不离不弃。

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

To make each day count.
让每天活的有意义。

Please count me in on this project.
请把我也算入这项计划。

Down with hegemonism!
打倒霸权主义！

The sun is down.
太阳下山了。

Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。

They have a reciprocal loathing for each other.
他们互相憎恨。

Reciprocal affection,help,trade
互爱、互助、互惠贸易

The piston is reciprocating inside cylinder.
活塞在汽缸内部往复运动。