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[2016.04.27] 發表
【明報專訊】Have you ever put a slice of lemon or lime in a cup of water? A lemon slice floats while a lime slice sinks to the bottom. The reason is that limes are denser than water, and the density of lemons is very close to that of water.
“ Bill: Like lemons, I can float on water easily! ”
■Glossary
lime (n) 青檸
float (v) 浮
density (n) 密度
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