They dive or see the reef by glass-bottom boat.

他们潜水或乘玻璃底游船来观赏珊瑚礁。

youdao

A glass-bottom boat allows the tourists to explore one of the world's deepest fresh water springs.

乘坐一条玻璃船底的游艇，游人可以饱览世界上最深的一个淡水泉的景色。

youdao

A traditional flat-bottom boat sails off the island of Norröra in the Stockholm archipelago, where the holiday is celebrated best.

在斯德哥尔摩群岛，有一艘传统的平底船驶出诺劳拉岛，这里是节庆气氛最热烈的地方。

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The ships cook sat in the bottom of the boat.

VOA: special.2010.03.06

They clean the bottom of a boat.

VOA: special.2010.05.16

The flat-bottom boat balanced precariously just barely above water level, a skilled rower standing and pushing gondola-style from the back.

BBC: Safari by water in southern Africa

In "Glass Bottom Boat, " Portner wades steadily through swampy soundscapes, complete with croaking synthesizers and grunting bass lines.

NPR: First Listen: Avey Tare, 'Down There'

But if you simply cannot be pried from the ivory sands of Muri Beach, the hotel offers scuba diving, windsurfing, glass-bottom boat tours and guided walks through the green jungles on the island.

BBC: Daily deal: Sun and sea in the South Pacific