单词 toner 释义 toner|tn(r)|[f. tone v. + -er1.]I.1. One who or that which tones: see the verb.1888Medical News LIII. 499 Sulphuric and nitric acids have..some claim to be regarded as toners of the vasomotor nerves.1904Daily Chron. 25 Mar. 10/7 Pianos.—...