端坐复位法duān zuò fù wèi fǎ

uprightsitting reduction

• blue-green algae
• blue gum
• bluejacket
• blue jay
• blue laws
• blue mountains
• blue nile
• blueprint
• blue riband of the atlantic
• blue-ribbon
• blue rider
• blue ridge mountains
• blues
• blue shark
• bluestockings
• bluet
• bluetit
• blue whale
• bluff
• blume
• blumenbach，johann friedrich
• blume，peter
• blum，leon
• blunden，edmund charles
• blunder