He says that time spent by divers in the water is critical in terms of research costs and the threat of nitrogen narcosis. 他說,就研究費用和氮麻醉的威脅來說,潛水員在水中的時間是至關重要的。
Deep-sea divers can suffer nitrogen narcosis from breathing air under high pressure. 深海潛水者會因在高壓下呼吸而出現氮麻醉。