While an assistant stood guard in a small boat, I sank to the bottom with a camera encased in a bubble-shaped underwater housing.

我的一个助理站在小船旁边给我望风，而我就用一个泡泡一样的水下防护罩把相机包了起来，然后带着它一起潜到湖底。

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Bottom line: Keep your guard up, especially if somebody offers you a word search puzzle.

底线是：保持警惕，特别是当有人让你做单词搜索迷宫题时。

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Genie in a bottle Silicone Rubber bottle Stopper Keep your vino fresh with a Genie to guard over the left-overs when you can't make it to the bottom of a full bottle!

这是一款硅胶做的酒瓶塞。当您一次喝不完一瓶子红酒的时候可以赛上这个妖怪酒瓶塞来保持酒的新鲜。

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He said that some whales appeared to guard the bottom of this "bait ball", preventing the prey from sinking to unreachable depths, while other animals in the group took advantage of the centre of the ball.

BBC: Sperm whale groups 'may corral deep squid'

He unscrewed the bottom of a can of Right Guard, and a baggie of cocaine dropped out.

NEWYORKER: Ask Me If I Care

Just before closing time the previous day, a 28-year-old woman scrawled the 30cm (12in) graffito on the bottom of the painting and was immediately detained by a museum guard, France's 20 Minutes news website reported.

BBC: Delacroix Liberty painting defaced in Louvre