词族 · tracer
词形变化
派生词
中文词源
tracer 示踪迹，曳光弹
来自 trace,追踪，描绘，勾勒，-er,表物。引申词义示踪迹，曳光弹。
英语词源
- tracer (n.)
- c. 1500, "one who tracks or searches," agent noun from verb form of trace (n.1). Meaning "bullet whose course is made visible" is from 1910.
权威例句
- 1. The tracer is distributed in a nearly normal fashion.
- 示踪剂的分布接近正态分布的样式.
- 2. Tracer techniques give information about structure and reactions in solid state physics.
- 示踪法技术在固态物理学方面给出有关结构和反应的信息.
- 3. This solute will be referred to as a tracer.
- 这种溶质称为示踪剂.
- 4. Radionuclide tracer analysis is a third important method.
- 第三种重要方法是同位素示踪分析.
- 5. The tracer becomes increasingly dispersed.
- 示踪剂逐渐地扩散.