Reflection marker
[计] 反射标记
🧩 词语组成解析
marker
[mɑ:kə;'mɑ:kə,mɑ:kə]
n. 标识，标记;记号笔，阅卷人;防守队员;特征;
🗣️ 情景例句
Either I'm at the hospital doing paperwork,
不是我在医院办公事，
To operate a steam locomotive
驾驶蒸汽机车
The six students put their closed hands in front of them.
6个学生将握紧的手放在前面。