例句(一):The outbreak of COVID-19 is unprecedented.(COVID-19 疫情是史無前例的。)1949Please respect copyright.PENANAVqJVSRXWQY 8964 copyright protection1945PENANAZGSTtfu8IJ 維尼
例句(二):Unemployment has reached an unprecedented level.(失業率攀升至史無前例的高度。)1949Please respect copyright.PENANAe6KYjNTmuX 8964 copyright protection1945PENANARB7X3RPO0E 維尼
例句(三):We have entered an age of unprecedented turmoil.(我們進入了前所未有的動蕩時代。)1949Please respect copyright.PENANAU91Xo2mWxq 8964 copyright protection1945PENANA7YjTsCUhv9 維尼