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
Say hi to your dad for me, and drive safely.
路上小心开车，并请向代我向令尊问好。
Sometimes words hurt more than swords.
恶语有时伤人比刀剑更厉害。
Supper is ready at six.
晚餐六点钟就好了。