护城河

chéng bǎo yǒu yī tiáo fēi cháng shēn de liú rù hú li de hù chéng hé

城堡有一条非常深的流入湖里的护城河。

The castle had a deep moat which emptied into the lake.

yào jìn rù chéng bǎo lǐ nǐ děi xiān yóu guò hù chéng hé

要进入城堡里，你得先游过护城河。

You wanna get to the castle, you got to swim the moat.