| 单词 | protrusion |
| 释义 | protrusion noun[CorU] uk/prəˈtruː.ʒən/us/prəˈtruː.ʒən/something thatsticksout from asurface, or theactof doing this: 突出物；伸出，凸起It has aseriesof protrusions alongitsback.它背上有一连串的凸起。 Theconditionresultsinweightloss,rapidheartbeatand protrusion of theeyes.这种病会导致体重下降、心动过速和眼球凸出。 Protruding and sticking out
Examplesofprotrusionprotrusion Visible germination was defined as radicleprotrusionof 1 mm or more. From theCambridge English Corpus In this case, radicle extension also took place early during incubation, but inside the seed, enabling the radicle to find the hole for visibleprotrusion. From theCambridge English Corpus The criterion for seed germination was visible radicleprotrusion. From theCambridge English Corpus This was obtained by placing a finiteprotrusionon one of the lateral walls (see figure 16). From theCambridge English Corpus Mitochondria were isolated and purified at early stages of germination (before radicleprotrusion), and their oxidative properties, membrane integrity and ultrastructure were examined. From theCambridge English Corpus This was usually followed by macroscopic changes in leaf surface structure, namelyprotrusionof the minor leaf veins. From theCambridge English Corpus The majority, if not all, of the species evaluated have seeds that produce ethylene prior to, or concomitant with, radicleprotrusion. From theCambridge English Corpus Mitochondria were isolated from fully imbibed seeds (12 h) and at the end of germination (22 h), just before radicleprotrusion. From theCambridge English Corpus When emerged males were present, the courtship process commenced immediately upon theprotrusionof the female's head from the emergence hole. From theCambridge English Corpus At the commencement of the emergence trial, germinated seeds (radicleprotrusionof 1-2 mm) were selected from each treatment and planted. From theCambridge English Corpus The spermatozoon is completely surrounded internally by microtubules and externally by dense material representing the external ornamentation except around theprotrusion. From theCambridge English Corpus At this stage, surface protrusions of the main cell body appeared to be altering from blebs to microridges. From theCambridge English Corpus For this species there is a good correlation between endosperm cell wall dissolution and radicleprotrusion. From theCambridge English Corpus The mechanisms regulating cell wall extensibility in the embryos before radicleprotrusion, although central to germination control, remain elusive. From theCambridge English Corpus The micropylar endosperm of a seed was considered softened when it required a force of less than 1200 g to cause radicleprotrusion. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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