基本解释n.可估价之事；可课税同根派生 英汉例句Its features ease of operation，construct well-knit，looking nice，and the heavy construct assure durability and ratability of useful。 仪器底座支承面积较大，弯臂坚固，仪器的重心较低，安放平稳可靠。专业释义经济学可课税