Calculus of variation
[计] 变分法
🧩 词语组成解析
calculus
['kælkjələs]
n. [医]结石，石，积石，牙垢;[数]运算，演算，微积分（学）;
ule,ulus 后缀;表”小,少”#词根助记：calc石头(古时候用石头来计算)##calc 石灰,石头#词根助记：calc石头(古时候用石头来计算)
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
It is.
是的。
In every beginning think of the end.
思前顾后。
A colony of bees had turned the engine into a hive and it was totally preserved in beeswax!
一群蜜蜂把发动机当作了蜂房，发动机在蜂蜡中被完整地保存了下来。