| 例句 |
KEY: Certain.
SYN: true, fixed, regular, established, incontrovertible, undoubtful,indubitable, infallible, unmistakable, sure, unfailing, real, actual,undeniable, positive, convinced, assured.
ANT: Uncertain, dubious, exceptional, irregular, casual, occasional,questionable, doubtful, vacillating, undecided, uncertain. |