研发研發

yán fā

HSK darajasi: HSK 5

Maʼnosi

ilmiy ishlanma

research and development; to develop

Ilovada oʻrganish → Chiziq tartibida yozish

Iyerogliflar

研yánto grind, to rub; to study, to research石开发fāto issue, to dispatch, to send out; hair又