Element of a cone
錐的母線
?? 詞語組成解析
element
['?l?m?nt]
n. [化]元素;要素;原理;[電]電阻絲;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
cone
[k?un]
n. 圓錐體;球果;圓錐形東西;
vt. 使成錐形;
??? 情景例句
I'm ready, Grandpa. You name the day.
我準備好啦 ，爺爺。哪一天隨你挑吧。
A man without money is a bow without an arrow.
人無錢，猶如弓無箭。
as the wave leaves the particles behind back to its starting point again.
當波浪把微粒留在身后時又回到出發點。