DICT.TW Dictionary Taiwan

 snifting
 吸入空氣

 Snift v. i. [imp. & p. p. Snifted; p. pr. & vb. n. Snifting.]
 1. To snort. [Obs.] “Resentment expressed by snifting.”
 2. To sniff; to snuff; to smell.
    It now appears that they were still snifing and hankering after their old quarters.   --Landor.

 Snift·ing, a. & n. from Snift.
 Snifting valve, a small valve opening into the atmosphere from the cylinder or condenser of a steam engine, to allow the escape of air when the piston makes a stroke; -- so called from the noise made by its action.
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