London penetration depth
[电] 伦敦穿透理论
🧩 词语组成解析
London
['lʌndən]
n. 伦敦（英国首都）;
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
What number are you trying to dial?
你要的电话是什么号码？
I'm going to buy six inches.
我要买六英寸。
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。