p****k
发帖数: 18 | 1 偶的理解, Scuba 是带氧气瓶的
Snorkeling 只是戴一个Snorkel, 用它伸到水面呼吸 |
p****k
发帖数: 18 | 2 Scuba 是要证书的.
12 is the minimum age for scuba certification
【在 p****k 的大作中提到】
: 偶的理解, Scuba 是带氧气瓶的
: Snorkeling 只是戴一个Snorkel, 用它伸到水面呼吸
|
p****k
发帖数: 18 | 3 Potentially Dangerous Animal:
Alligators have the potential to inflict injury but have not been known
to hurt divers.
Sharks can bite, but attacks on scuba divers are nearly nonexistent.
【在 p****k 的大作中提到】
: 偶的理解, Scuba 是带氧气瓶的
: Snorkeling 只是戴一个Snorkel, 用它伸到水面呼吸
|
p****k
发帖数: 18 | 4 Hollywood has greatly exaggerated the danger of sharks,
only a few species of shardks are aggressive, and it is rare to encounter
these types in the waters visited by divers.
【在 p****k 的大作中提到】
: Potentially Dangerous Animal:
: Alligators have the potential to inflict injury but have not been known
: to hurt divers.
: Sharks can bite, but attacks on scuba divers are nearly nonexistent.
|
p****k
发帖数: 18 | 5 Most divers would be delighted to see a shark because the animals usually
retreat from areas frequented by scuba divers.
【在 p****k 的大作中提到】
: Hollywood has greatly exaggerated the danger of sharks,
: only a few species of shardks are aggressive, and it is rare to encounter
: these types in the waters visited by divers.
|
p****k
发帖数: 18 | 6 Retreat from snakes if you encounter them. Do not handle them.
Sea snakes in tropical waters are extremely venomous,
a sea snake bite can produce a life-threatening emergency.
Some freshwater snakes, such as the cottonmouth, also are venomous
【在 p****k 的大作中提到】
: Most divers would be delighted to see a shark because the animals usually
: retreat from areas frequented by scuba divers.
|
p****k
发帖数: 18 | 7 Turtles can inflict serious wounds, muskrats may attack in defense,
and moray eels in the ocean can deliver a serious bite.
【在 p****k 的大作中提到】
: Retreat from snakes if you encounter them. Do not handle them.
: Sea snakes in tropical waters are extremely venomous,
: a sea snake bite can produce a life-threatening emergency.
: Some freshwater snakes, such as the cottonmouth, also are venomous
|
