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- Security panels are optional accessory provided for drawers with keyed different locks. 可以配备各种类型锁的安全面板是抽屉的选配设备。
- Post-scan printers are typically expensive optional accessories. 后扫描压印机通常是昂贵的选购配件。
- Optional accessories: differential pressure manometers; indicator (gauge),pressure transmitters, level transmitters; and automatic purge drains. 选配辅助组件:压差器;显示器(压力计)，压力传感器，液位传感器;和自动排放系统。
- Design features like built-in filter slots, combined with optional accessories such as direct-attach cuvette holders, make sampling simple. 像内置过滤槽的设计，与可选择附件如直接试管固定器的组合，使取样简单。
- Tenney offers various optional accessories that let you customize your environmental chamber to meet your specific requirements. 立提供了多种可选配件，让您自订您的环境室，以满足您的特定需求。
- You can also add optional accessories to extend to the high-end version of a full-function, for example, with online-cutting module, it can be a springboard to the lucrative market segment. 还可以添加可选的附件来扩展到功能全面的高端版本，例如，利用联机模切模块，就可以进军利润丰厚的细分市场。
- option accessory: charging, connector cable and plug for mobile, IPOD,MP3,MP4 可选配件：充电器，手机，IPOD，MP3，MP4等转接头和连接线
- The insurance cover is optional. 保险范围可以随意选择。
- A radio is an accessory to a car. 收音机是汽车的附件。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- An optional academic course or subject. 选修的科目选修课程或课题
- The cassette player is an optional extra in this make of car. 这种型号汽车如需盒式磁带唱机费用另计。
- He was charged with being an accessory to the crime. 他被控告为这项罪行的从犯。
- A stick used as an aid in walking or carried as an accessory. 拐杖一根被用来帮助行走或当作一种饰物而携带的棍子
- You must do it; you have little option. 你必须做,你没有选择的余地。
- Neglect in preventing or reporting a felony or treason by one not an accessory. 包庇罪行非同犯对防止重罪或叛国罪的发生或对次类罪的报告的忽视
- It is at your option to stay or leave. 去留随你的便。
- You must do it; you have no option. 你必须做，你没有选择的余地。
- She has taken an option on that piece of land. 她已取得那块土地的购置权。
- Permitting discretion; optional. 允许自行处理的; 随意的
