troyn. 金衡、金衡制、特洛伊城a. 用金衡制表示的學術名詞特羅伊:外國地名特洛伊:外國地名金衡兩:礦物學英文釋義a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains