Schadenfreude
n. 幸灾乐祸
🗣️ 情景例句
with one real intergenerational program.
用一套真正跨辈份的活动。
Fortune knocks once at least at every man's door.
人人都有鸿运高照之日。
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。