仪器的

• instrumental

例句

1. 眼镜商，光学仪器商出售光学仪器、眼镜或其它光学仪器的人
   One that sells lenses, eyeglasses, and other optical instruments.
2. 能从灰烬中抢出的就是一只盛着仪器的小金属盒子。
   All that could be salvaged from the ashes was a small metal box containing instruments.