“某物质”造句
制备,保存用化学或物理方法制备 、 保存或润饰 (
某物质 )
To prepare , preserve, or finish ( a substance ) by a chemical or physical process.
用化学或物理方法制备 、 保存或润饰 (
某物质 ).
To prepare, preserve, or finish ( a substance ) a chemical or physical process.
铰除用这种方法来剔除 (
某物质 )
To remove ( material ) by this process.