Your browser does not support the audio element. 这是强制性活动Français C'est obligatoire. Your browser does not support the audio element. Albanais është e obligume/ është e detyrueshme Your browser does not support the audio element. Allemand Es ist obligatorisch. Your browser does not support the audio element. Anglais It's compulsory Your browser does not support the audio element. Arabe إجباري Your browser does not support the audio element. Your browser does not support the audio element. Espagnol Es obligatorio Your browser does not support the audio element. Grec Είναι υποχρεωτικό Your browser does not support the audio element. Hébreu חובה Your browser does not support the audio element. Italien è obbligatorio Your browser does not support the audio element. Persan اجباری است. Your browser does not support the audio element. Portugais é obrigatório. Your browser does not support the audio element. Roumain este obligatoriu Your browser does not support the audio element. Russe это обязательно Your browser does not support the audio element. Soninké wajibin ya ni Your browser does not support the audio element. Tamoul அவசியம் பங்கேற்க வேண்டும் Your browser does not support the audio element. Turc Bu zorunlu. Your browser does not support the audio element. Ukrainien Це обов'язково. Your browser does not support the audio element. LSF Langue des Signes Française 儿童期 初中 小学 幼儿园 邀请