单词 | gunner's pendulum |
释义 | > as lemmasgunner's pendulum gunner's pendulum n. (see quot.). ΘΚΠ the world > time > instruments for measuring time > [noun] > timer or chronograph stop-watch1740 time marker1835 time recorder1836 hourglass1852 time clock1857 time lock1858 egg-glass1867 chronograph1868 egg-timer1869 timer1869 gunner's pendulum1876 time switch1884 chess-clock1905 phototimer1942 pinger1950 shot clock1967 1876 G. E. Voyle Mil. Dict. (ed. 3) Pendulum, Gunner's—consists of an upright frame of wood, having a cross-arm attached to it, from which a pendulum is suspended, vibrating seconds..It is used to measure the time of flight of a mortar shell. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。