Ootw
abbr. operations other than the war 有别于战争的军事行动
🗣️ 情景例句
just listening to it.
听着这些声音时。
All are not saints that go to church.
去做礼拜者，未必皆圣人。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。