week的形容詞形式是？

　　I have to provide weekly reports to my line manager.

　　我必須每周向部門經(jīng)理匯報。

　　Each course comprises 10-12 informal weekly meetings.

　　每門課程包括10至12次每周1次的非正式見面會。

　　The menu changes weekly and usually includes a vegan option.

　　這份菜單每周變化，而且通常包括純素菜肴供選擇。