[争分夺秒 / 爭分奪秒, zhēng fēn duó miǎo, ㄓㄥ ㄈㄣ ㄉㄨㄛˊ ㄇㄧㄠˇ]lit. fight minutes, snatch seconds (成语 saw); a race against time; making every second count#39873[Add to Longdo]
[普朗克常数 / 普朗克常數, Pǔ lǎng kè cháng shù, ㄆㄨˇ ㄌㄤˇ ㄎㄜˋ ㄔㄤˊ ㄕㄨˋ]Planck's constant h, approximately equal to 6.626 x 10^-34 Joule.seconds or 4.135 x 10^-15 Electron volt.seconds[Add to Longdo]
[おかわり, okawari](n, vs) (1) (See 代わり・かわり・4) second helping; another cup; seconds; (int) (2) (See お手・おて・3) command to have dog place its second paw in one's hand; (P)[Add to Longdo]