Penetration depth
[计] 穿透深度\\n[化] 穿透深度
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
Suggestions on packing are greatly appreciated.
我们非常欢迎大家对包装方面提出建议。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。