气囊
先理解核心含义，再看它在真实句子里的用法。
气囊；气泡
An air sac, sometimes double or variously lobed, in the；visceral cavity of many fishes. It originates in the same way as the；lungs of air-breathing vertebrates, and in the adult may retain a；tubular connection with the pharynx or esophagus.；A sac or bladder full of air in an animal or plant; also；an air hole in a casting.
Prepare the learner guide for this word
可生成：语法 Grammar、学习解释 Learner guide、例句 Examples。只有点击后才会开始生成。
气囊；气泡
An air sac, sometimes double or variously lobed, in the；visceral cavity of many fishes. It originates in the same way as the；lungs of air-breathing vertebrates, and in the adult may retain a；tubular connection with the pharynx or esophagus.；A sac or bladder full of air in an animal or plant; also；an air hole in a casting.
Choose the next layer that will help you use air bladder with more confidence.
Recommended next
Learn how to use this word with grammar patterns and natural collocations.
See typical errors learners make and confusing words to avoid.
More ways to explore
Expand your vocabulary with synonyms and antonyms.
See other words sharing the same root.
Discover the etymology and cognates of this word.
Analyze the context and learn memory tricks to remember it.
Use air bladder naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from ECDICT.