instrument of contact藉: mat pad由: cause; reason接触: come into contact with; get ...的: 4次方是 The fourth power of 2 i ...仪: appearance; bearing下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:藉由各种接触的仪具,即可在微信中查询翻译