a potable
potable 作名词时可数，单数前用 a/an。
The host poured a potable from a clay jug.
主人从一个陶罐里倒出一种饮料。
任何可饮用的液体；饮料。
A drinkable liquid; a beverage.
任何可饮用的液体；饮料。
Any drinkable liquid; a beverage.
After a long hike, we were relieved to find a stream with potable water.
长途徒步后，我们很欣慰地找到了一条有可饮用水的溪流。
用法提示：potable 作为形容词，意为‘可饮用的’，修饰 water。
The emergency kit includes several bottles of potable water.
应急包中包含几瓶可饮用水。
用法提示：potable 作为形容词，修饰 water，表示适合饮用。
Is this water potable? I need a drink.
这水能喝吗？我需要喝点水。
用法提示：potable 作为形容词，在系表结构中作表语，表示水质安全可饮用。
potable 作名词时可数，单数前用 a/an。
The host poured a potable from a clay jug.
主人从一个陶罐里倒出一种饮料。
复数 potables 常泛指各种饮料。
The market sells fresh potables alongside dried fruit.
这个市场出售新鲜饮料和干果。
the only potable 强调唯一可饮用的液体。
Melted snow was the only potable on the trail.
融化的雪是沿途唯一能喝的东西。
grammar · medium
易错句子The host served several potable at the party.
正确表达The host served several potables at the party.
potable 作名词意为“饮料”，是可数名词，复数为 potables；several 后面只能接可数名词复数，因此要用 potables，不能保留单数形式。
grammar · medium
易错句子This small radio is potable, so I take it everywhere.
正确表达This small radio is portable, so I take it everywhere.
potable 与 portable 拼写、读音相近但意思完全不同：potable 指“可饮用的液体；饮料”，而表示“便携的、便于携带的”要用 portable；描述能随身携带的物品只能用 portable。
potable 作名词泛指可饮用的液体或饮料；portable 通常指便于携带的物品或设备，或作形容词表示“便携的”，与饮用无关。
potable 泛指任何可饮用液体；potation 多指酒类饮品或饮酒行为，且更书面、罕用。
potable 指日常可饮用的液体；potion 通常指有药效或魔力的液体，一般不当作普通饮料。
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