Breathholding time for the freediver is highly variable as this is very adaptive. Divers who do this often and train themselves can prolong their dive times considerably.
自由潜水者屏住呼吸的时间大不相同。通过经常做或训练可以显著延长潜水时间。
2
Diver John Deane happened to be exploring another sunken ship nearby, and the fishermen approached him, asking him to free their gear.
潜水员约翰·迪恩碰巧在附近探索另一艘沉船，渔民们靠近他，让他把他们的装备取出来。
3
A diver should be physically fit and free from any medication influence that may affect diving in such challenging waters.