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
And the show will help promote it.
而这次展览会有利于促销它。
To paint the roof
油漆屋顶
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。