a. 不可胜数的 ≈ countless
She’s served on innumerable committees. 她在多个委员会担任委员。
Innumerable books have been written on the subject. 已经有无数书籍写过这个主题。
He has invented innumerable excuses, told endless lies. 他编造了数不清的借口，说了无止尽的谎言。
BrE /əˌbriːviˈeɪʃn/