beach 沙滩，海滩

sea 海洋

wave 波浪

sand 沙子

shell 壳，贝壳

crab 螃蟹

beach chair 沙滩椅

beach towel 沙滩浴巾

sunglasses 太阳镜，墨镜

sun hat 遮阳帽

sun cream/suncream 防晒霜

boat 船，小船

ship 大船，轮船

surf 冲浪

① Wear these to protect your eyes when the sun is shining.

② Use this to protect your skin from the sun.

③ Use this to get dry after swimming in the sea.

④ You can travel across water in one of these.

① 

Wear these to protect your eyes when the sun is shining.

当太阳晃眼时，戴上它（们）保护眼睛。

pretect your eyes 保护（你的）眼睛（protect 保护，防护）

shine 照耀，闪耀，发光，晃眼

答案：sunglasses

② 

Use this to protect your skin from the sun.

用它来保护皮肤免受阳光的伤害。

protect...from... 不受……的伤害/危害

答案：sun cream/suncream

③ 

Use this to get dry after swimming in the sea.

在海里游泳后用这个来擦干。

答案：beach towel

④ 

You can travel across water in one of these.

你可以用它们其中一个（种）穿越水面。

travel 前往，移动，行进

across 副词/介词，从一边到另一边，穿过，横过

* cross 动词，横穿，越过

- She crossed the river. 她横穿过河。（*用哪种方式过河的不知道）

- She swam across the river. 她游过河。

答案：boat/ship