General principles
[經(jīng)] 原則, 總則, 通則
?? 詞語組成解析
general
['d??nr?l]
adj. 大致的;綜合的;總的，全體的;普遍的;
n. 上將;一般;一般原則;常規(guī);
gener出生，產(chǎn)生+al形容詞后綴→出生[一般]→普通的n.總論
n. 原則, 原理, 道義, 節(jié)操
??? 情景例句
My girl friend and I broke up.
我和我女朋友分手了。
Is it direct train?
這是直達(dá)車嗎？
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。