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
I need to cancel that. We have had a last minute change of plans.
我要取消预约，我们临时改变计划了。
Learn young,learn fair.
为学趁年青，既学须学好。
We're going to help some farmers with their work.
我们打算去帮助一些农民干活。