When we are preparing to dive they pop their heads out and watch everyone getting ready.
当我们准备潜水时，它们探出头来，看着每个做准备的人。
2
He dropped his fins, mask and snorkel into his dive bag and checked his watch, noting the dive time and depth.
他把脚蹼、面罩、输气管都丢到潜水包里之后，查看自己的手表，记录下潜水时长和深度。
3
If you are going straight out, watch and listen closely for the many fishing boats that use this bay as a launch site (a cautionary dive flag float is recommended).