What does 开 (kāi) mean in English?
开
to open; to start; to turn on; to boil; to write out (a medical prescription); to operate (vehicle); abbr. for 開爾文|开尔文 degrees Kelvin
to open; to start; to turn on; to boil; to write out (a medical prescription); to operate (vehicle); abbr. for 開爾文|开尔文 degrees Kelvin