单词	penetrometer
释义	penetrometer /ˌpɛnɪˈtrɒmɪtə / noun An instrument for determining the consistency or hardness of a substance by measuring the depth or rate of penetration of a rod or needle driven into it by a known force.Fruit firmness, as determined by penetrometer, measures the force required to press a blunt-ended probe into the tissue.... Toughness is often measured with a penetrometer, a device which forces a circular flattened rod through leaf lamina. In this study, the penetration depth of the penetrometer into the soil was chosen to be 6mm, which is a little larger than the radius of the miniature cone.
随便看	be set in concrete besetting sin be shitting bricks beshrew be sick beside beside oneself beside (or off) the point besides beside the point besiege besiegement besieger be simplicity itself be sitting pretty be skin and bone besmear besmirch be snowed under be so good as (or be good enough) to do something besom be someone's doing be someone's (or the) man be sorry to say besotted

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