whileon Basic wordsalso onCEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? Band 1 (BND1)? Band 2 (BND2)? Band 3 (BND3)? 与…同时,在…期间,而,虽然 whilst whilst(conjunction) 同时,当…的时候,时时,有时 while while(conjunction) 与…同时,在…期间,而,虽然 Forms conjunction whilst while