Principal moment of inertia
[化] 主转动惯量
🧩 词语组成解析
principal
['prɪnsəpl]
adj. 最重要的;主要的;资本的;本金的;
n. 首长，负责人;主要演员，主角;[法]委托人，当事人;本金;
prin主要的+cip拿，抓，握住+al形容词后缀 → 主要的；首要的
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];
inertia
[ɪ'nɝʃə]
n. <物>惯性，惰性;迟钝;不活动;
🗣️ 情景例句
It's a problem, isn't it?
这确实是个问题，不是吗？
They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。
and you can be sure that none of our five advisers would have suggested sinking all(or perhaps any) of your money into Periwigs.
可以相信5位经纪人中不会有人建议你把全部（或一部分）资金投入佩里威格斯公司。