| 释义 |
expatiateex‧pa‧ti‧ate /ɪkˈspeɪʃieɪt/ verb  expatiateOrigin: 1500-1600 Latin exspatiatus, past paticiple of exspatiari ‘to wander freely’, from spatium ‘space’ VERB TABLEexpatiate |
| Present | I, you, we, they | expatiate | | he, she, it | expatiates | | Past | I, you, he, she, it, we, they | expatiated | | Present perfect | I, you, we, they | have expatiated | | he, she, it | has expatiated | | Past perfect | I, you, he, she, it, we, they | had expatiated | | Future | I, you, he, she, it, we, they | will expatiate | | Future perfect | I, you, he, she, it, we, they | will have expatiated |
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| Present | I | am expatiating | | he, she, it | is expatiating | | you, we, they | are expatiating | | Past | I, he, she, it | was expatiating | | you, we, they | were expatiating | | Present perfect | I, you, we, they | have been expatiating | | he, she, it | has been expatiating | | Past perfect | I, you, he, she, it, we, they | had been expatiating | | Future | I, you, he, she, it, we, they | will be expatiating | | Future perfect | I, you, he, she, it, we, they | will have been expatiating |
expatiate on/upon something phrasal verb formal to speak or write in detail about a particular subject |