Depth of penetration
[化] 穿透深度
🧩 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];
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
A man can develop his mind by reading.
读书增进个人的智慧。
If they say you are good,ask yourself if it be true.
若有人称赞，自问对不对。
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！