Hall constant
[計(jì)] 霍耳常數(shù)
?? 詞語組成解析
hall
[h?:l]
n. 過道，走廊;大廳，前廳;娛樂中心，會(huì)所;
constant
['kɑnst?nt]
adj. 不斷的，持續(xù)的;永恒的，始終如一的;堅(jiān)定;忠實(shí)的;
n. [數(shù)]常數(shù)，常量;不變的事物;永恒值;
con始終+stant站立→始終站著→不變的
??? 情景例句
About Mom and Dad.
爸爸和媽媽。
Johnny doesn't like me.
喬妮不喜歡我。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架輕型客機(jī)偏離了航線，在山區(qū)墜毀，飛行員喪生。