Peacefulness
n. 平静, 宁静, 平和
✅ 同义词
🔴 反义词
📖 牛津释义
peacefulness
n [U].
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
There is no virtue that poverty destroyeth not.
没有贫穷不能破坏的美德。
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。