The castle had a deep moat which emptied into the lake.城堡有一条很深的流入湖里的护城河.A fire on the city gate brings disaster to the fish in the moat.城门失火，殃及池鱼。The medieval town was fortified with a high wall and a deep moat.这座中世纪的城市用...
Multi - million dollar gyms have become so common that they are unremarkable.数百万美元的体育馆变得如此司空见惯以至于它们已经不再显眼.Gyms usually provide ropes and rent shoes harnesses and belaying devices.攀岩场通常会提供绳索以及出租攀岩鞋、安全带跟确保装置.His favorite p...