The word baidu is from Xin Qiji's poem 'Green Jade Table in the Lantern Festival' about a festival in ancient China. The word baidu means everywhere is English.
A Hindi shumdi phumdi du bic bai du shmumdy.
A Chinese search engine like Google
== == Both come from English. In Japan, "Bai Bai" is used largely by teenagers, and is considered to be slang. One would not say "bai bai" to one's social superior. It is also considered slightly feminine, and is used more often by girls than by boys.
English
Cairu Bai has written: 'Dao jiao sheng tai si xiang de xian dai jie du'
you can just say bai bai, or sayonnara, or matta ashita (till tomorrow)
one hundred
I assume you mean "du hast mich", this is German, and means "you have me". I don't know how you say you have me in Italian, if that's what you meant.
The cast of Hua du qi meng - 1955 includes: Xuexian Bai Luquan Gao Xingbo Liang
du sucre is 'sugar' in English.
Du soir in French means "in the evening" in English.
'Ich bin wie du' in English means that 'I am as you are'