Chondritic
a. [地]球粒狀隕石的
??? 情景例句
Anytime.
什么時候都行。
The wise man's tongue is a shield, not a sword.
智者之言，是保衛而非攻擊。
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.
測出回聲間隔的時間，便可算出該處海洋的深度。