Helmholtz equation
[化] 亥姆霍兹方程
🧩 词语组成解析
赫尔姆霍茨(①姓氏 ②Hermann Ludwig Ferdinand von, 1821-1894, 德国生理学家, 物理学家及解剖学家)
🗣️ 情景例句
Why are you leaving your present job?
你为什么要放弃目前的工作？
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
After taking off, we were flying low over the city and slowly gaining height,
起飞之后，我们在城市上空低低地飞行，然后慢慢爬高。