Africa; abbr. for 阿非利加洲[A1 fei1 li4 jia1 Zhou1]

Asia (abbr. for 亞細亞洲|亚细亚洲[Ya4 xi4 ya4 Zhou1])

Australia

America (including North, Central and South America); the Americas; abbr. for 亞美利加洲|亚美利加洲[Ya4 mei3 li4 jia1 Zhou1]

delta (geography)