Depth of thread
[化] 螺纹深度
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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
What are you going to do?
你打算读什么？
I've been part of this project since its beginning.
从一开始我就参与这个计划。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”