n. 少量, 轻拍, 比目鱼, 熟手

vt. 轻拍, 轻擦

vi. 轻拍, 轻擦

[医] 二甲氨基偶氮苯

Dab \Dab\, n. [Perh. so named from its quickness in diving
beneath the sand. Cf. {Dabchick}.] (Zo["o]l.)
A name given to several species of flounders, esp. to the
European species, {Pleuronectes limanda}. The American rough
dab is {Hippoglossoides platessoides}.


Dab \Dab\ (d[a^]b), v. i. [imp. & p. p. {Dabbed} (d[a^]bd); p.
pr. & vb. n. {Dabbing}.] [OE. dabben to strice; akin to OD.
dabben to pinch, knead, fumble, dabble, and perh. to G.
tappen to grope.]
1. To strike or touch gently, as with a soft or moist
substance; to tap; hence, to besmear with a dabber.

A sore should . . . be wiped . . . only by dabbing
it over with fine lint. --S. Sharp.

2. To strike by a thrust; to hit with a sudden blow or
thrust. ``To dab him in the neck.'' --Sir T. More.


Dab \Dab\, n.
1. A gentle blow with the hand or some soft substance; a
sudden blow or hit; a peck.

A scratch of her claw, a dab of her beak.
--Hawthorne.

2. A small mass of anything soft or moist.


Dab \Dab\ (d[a^]b), n. [Perh. corrupted fr. adept.]
A skillful hand; a dabster; an expert. [Colloq.]

One excels at a plan or the titlepage, another works
away at the body of the book, and the third is a dab at
an index. --Goldsmith.