Grammar Note
表示具体开口（如舱门、活板门）时为可数名词；表示‘孵化’这一抽象概念时通常不可数。
舱口；活板门；舱口盖
hatches — plural of hatch
先理解核心含义，再看它在真实句子里的用法。
舱口；活板门；舱口盖
An opening or a door in a floor, ceiling, or ship/submarine deck; a trapdoor or cover.
The sailor opened the hatch and climbed down into the engine room.
水手打开舱口，爬进下面的机舱。
地板或天花板上的水平门
A horizontal door in a floor or ceiling.
孵化的过程
The act of hatching.
卵孵化出幼体的过程
the production of young from an egg
活板门
A trapdoor.
We added a small hatch in the ceiling for easier access to the attic.
我们在天花板上加了一扇小活板门，方便进入阁楼。
The spring hatch of ducklings was smaller than expected.
春天孵出的这窝小鸭比预想的要少。
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表示具体开口（如舱门、活板门）时为可数名词；表示‘孵化’这一抽象概念时通常不可数。
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.