butadiene
butane butanol butch butcher butcherly butchery butler butt butt-end butt-joint butt-weld butte butter butter-bean butter-boat butter-dish butter-fingered butter-fingers butter-knife butterball buttercup butterfly butterfly circuit butterfly-nut butterfly-screw butterine butteriness buttermilk butterscotch |
butadiene /,bu:tədai'i:n/
danh từ
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