translation.en: It's very turbulently mixed, because it's moving over those great big undersea mountains, and this allows CO2 and heat to exchange with the atmosphere in and out.
translation.zh: 洋流在此处汹涌地交汇， 因为它经过了那些 巨大的海底山峰， 这就让二氧化碳和热量 与大气进行交换。