雷诺数

Reynolds number (ratio of inertial forces to viscous forces in fluid mechanics)

surname Lei

thunder / mine (weapon) / (Internet slang) terrifying / terrific

thunder / (bound form) (military) mine, as in 地雷[di4 lei2] land mine / (coll.) to shock; to stun; to astound / (Tw) (coll.) spoiler / (Tw) (coll.) to reveal plot details to (sb)

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly

to consent / to promise / (literary) yes!

Reynolds (name) / Renault (French car company) / Reno, Nevada