Stan
n. 斯坦（男子名）
🗣️ 情景例句
Well! Nice restaurant.
嘿， 这是一家好餐厅。
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
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。