snorkel
US
UK snorkel n: (underwater breathing device)
SC 水下呼吸管 shuǐ xià hū xī guǎn
The diver uses a snorkel to breathe while keeping her head below water.
snorkel vi: (underwater activity)
SC 戴呼吸管潜泳 dài hū xī guǎn qián yǒng
Gareth has always wanted to snorkel, but has never found time to try it.