Detection of defects
[化] 探伤
🧩 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];
defects
[['di:fekts]]
n. 缺点；瑕疵；不合格品（defect的复数）
🗣️ 情景例句
Interesting. What do you photograph?
很有意思。你拍些什么样的照片呢？
A bird is known by its note,and a man by his talk.
鸟以声闻，人以言知。
How long has this factory been open?
这家工厂建成有多久了？