A noisy environment

吵闹环境

OK, so let's look round the factory now. It's quite a hazardous environment so you need to take care. By the way, you should put your ear plugs in when we go down to the factory. It's not compulsory but some of the machines are a bit noisy,

“好,咱们现在先参观一下工厂。这个环境很不安全，因此大家需要当心。顺便提一下，当你们走到工厂时应该戴上隔音耳塞。这不是必须的，但是有些机器噪音很大。