Marker thread
[电] 指标线
🧩 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;
thread
[θrɛd]
n. 线;线索;线状物;螺纹;
vt. 穿成串;将（针、线等）穿过…;用…线缝;给…装入（胶片、狭带、绳子）;
🗣️ 情景例句
Isn't that right?
对不对？
The student is busy studying math.
这个学生忙于研究数学。
What's the matter with your foot, Jane?
珍妮，你的脚怎么了？