Equivalence formula
[計] 等價公式
?? 詞語組成解析
equivalence
[?'kw?v?l?ns]
n. （力量等的）均等;相等;相當;等價;
equ,equi =equal,even,表示”相等,平均”#詞根助記：equivalent相等的+ce
formula
['f?:mjul?]
n. 公式，準則;客套話;方案;嬰兒食品;
??? 情景例句
About fifteen minutes.
大約十五分鐘吧。
I'm very glad to meet you.
認識你很高興。
The spheres had been magnetized and attracted or repelled each other all the time.
金屬球經過磁化，互相之間不停地相互吸引或相互排斥。