For the finale, he creates a rainbow by shining a bright light into a glass sphere containing a single drop of water.

最后，他用亮光照射一个玻璃球，里面只有一滴水珠。彩虹出现了。

youdao

But ensure you add it a drop at a time through a sugar cube on a spoon placed over the glass of absinthe.

但你需要一滴一滴地加——在酒杯上架一个勺子，里面放一块方糖，每滴水都需要穿过这块糖滴入酒中。

youdao

Real men, international business trouble-shooters and the like, may still gulp Scotch from heavy cut-glass tumblers with nothing more than a drop of water to blunt the harshness of it.

男士、国际商务调解员等等可能还会用大而重的刻花玻璃酒杯大口大口地喝苏格兰威士忌，喝时只是在酒里稍加一点水以减轻其烈性。

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My hands shook as I put a drop of water on a piece of glass.

VOA: special.2009.07.25

Lustrous burnished gold in colour, and slightly hazy (I emptied every last drop into the glass), it has a big floral aroma, slightly perfumey, almost honeyed.

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Several hundred metres east, another platform appears to be suspended in thin air, with only rusted designer steel and glass plates separating you from a 200m drop to the Trollstigen valley below.

BBC: Driving Norway��s Golden Route

Combine whiskey, sugar, and water in a warmed coffee glass nad twist the lemon peel over and drop it in.

FORBES: WARM DRINKS FOR AUTUMN NIGHTS