in·ter·stice
noun/ɪnˈtɜːstɪs/
/ɪnˈtɜːrstɪs/
[usually plural] (formal)- a small break or space in something
裂缝；空隙 Word Originlate Middle English: from Latin interstitium, from intersistere ‘stand between’, from inter- ‘between’ + sistere ‘to stand’.