sec background

sec

/sɛk/

Illustration sec - Image 1

Illustration sec - Image 2

noun

秒，秒钟

Second, 1/60 of a minute.

Examples :

"The race was so close; the winner beat the other runner by only two seconds. "

比赛太激烈了，获胜者仅仅领先了另外一位选手两秒钟。

Illustration sec - Image 1

Illustration sec - Image 2

noun

秒，霎那.

One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest.

Examples :

"The lecture was scheduled to last 15 seconds, or 2.5 secs. "

讲座原计划持续15秒，也就是2.5秒 (秒是“秒”的缩写).

time physics science unit

Illustration sec - Image 1

noun

弧秒

A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.

Examples :

"The angle of the sun's rays at noon was approximately 60 secs. "

中午时分，太阳光线的角度大约是60弧秒。

math astronomy degree space unit

Illustration sec - Image 1

noun

瞬间，片刻

A short, indeterminate amount of time.

Examples :

"I only had a sec to grab my lunch before my next class. "

我只有一瞬间的时间拿我的午饭，然后就要去上下一节课了。