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dextral    
a. 右侧的,用右手的,右旋的

右侧的,用右手的,右旋的

dextral
adj 1: of or on the right; "a dextral gastropod shell with the
apex upward has its opening on the right when facing the
observer"; "a dextral flatfish lies with the right eye
uppermost" [ant: {sinistral}]
2: preferring to use right foot or hand or eye; "dextral
individuals exhibit dominance of the right hand and eye"

Dextral \Dex"tral\, a. [From {Dexter}.]
Right, as opposed to sinistral, or left.
[1913 Webster]

{Dextral shell} (Zool.), a spiral shell the whorls of which
turn from left right, or like the hands of a watch when
the apex of the spire is toward the eye of the observer.
[1913 Webster]


clockwise \clockwise\ adj.
1. -- of rotatory motion. {dextral}
[WordNet 1.5]


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