Second moment of area
[机] 断面二次矩
🧩 词语组成解析
second
['sɛkənd]
n. 秒;瞬间;次货;第二份食物;
adj. 第二的;次要的;居第二位的;另外的;
adv. 第二;其次;以第二位;
vt. 支持;临时调派;附议;赞成提案;
sec跟随+ond=one第一→跟随第一个之后→第二；秒
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];
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
The petroleum region is centered largely in the north.
那里的石油区大部分集中在北部。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。