Geoacoustics
地聲學
??? 情景例句
Window-shopping is some girls'favorite pastime.
逛街是許多女孩消磨時間的首選方式。
Of nothing comes nothing.
無中不能生有。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她稱這些傭人叫“流動人口”，因為他們來匆匆，所以我甚至都沒有機會知道他們的姓名。