1.Limpets, snails and octopuses are mollusks.

1.帽贝、蜗牛和章鱼都是软。

2.He experienced nausea after eating octopus.

2.章鱼后他感到恶。

3.Snails and octopuses are molluscs.

3.蜗牛和章鱼是软。

4.If you want to make a return journey, please revalidate your octopus card or buy a new single-ride ticket.

4.如需要回程之乘客，请再重新确认八达通卡或购买单程票。