available accessory

• 适用的附件

available accessory的用法和样例：

例句

1. A radio is an accessory to a car.
   收音机是汽车的附件。
2. The pinhole is a useful refracting room accessory because it can provide an estimate of potential acuity with optical correction.
   小孔试片是验光室有用的附件之一，因为它能预计可采用光学矫正的潜在视力。