| 释义 |
ex.pand (obj) INCREASEIk5spAndvto increase (something) in size, number or importance扩大;扩充;发展;使膨胀The air in the balloon expands when heated. [I]气球内的气体受热膨胀。They expanded their retail operations significantly during the 80's. [T]在80年代，他们大大扩充了他们的零售业务。Expanded polystyrene is a light plastic containing gas used for wrapping things in before putting them in boxes.泡沫聚苯乙烯
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