词汇 | moult |
释义 | moult verb[ I ] UK(USmolt)uk /məʊlt/ us /moʊlt/ (of a bird or animal) to lose feathers, skin, or hair as a natural process at a particular time of year so that new feathers, skin, or hair can grow(鸟或动物)脱毛;褪皮;换羽 Animal (non-human) behaviour accidental apex predator beg behave behaviour behavioural science claw fawn gambol groom homing housebroken migrate monogamous monogamously monogamy murmuration nocturnal ravening scent Examples of moultmoult The first instar larva moults and the second instar larva continues moving within the host-plant stem. In 1997 and 1998, 6 and 12 newly moulted fourth instar larvae respectively were ascribed to a specific temperature and type of leaf. The newly moulted individuals were recognized by their size and the presence of exuviae. To determine the actual fertility, for several seasons newly moulted males and females were kept until their death in outside wire cages. The second stadium lasted for 2-3 days, after which they moulted (9 days post-oviposition). The larvae in the fish moulted to fourth-stage larvae. On primary exposure they observed an inflammatory reaction provoked by developing larvae, their excretory/secretory products and sheaths left behind after moulting. Feeding was suspended when larvae showed moulting behaviour. Variations in extent of lectin binding within populations may be related to moulting. Larval performance was studied by following larvae enclosed in cages from newly moulted second instars to third instars in the field. The parasitoid larva stays at its second instar until the host reaches its final instar, and just then moults to its final instar. Every individual larva that survived to the end of the experiment had moulted to the third instar. A few begin to display some slight irregularity in growth, but the great majority moulted within seven to eight days, averaging seven days. The adult stage is reached on the 11th day after three moults occurring about every fourth day. The second instar larvae exposed to young plants had moulted to third instar by t3 (table 2). See all examples of moult 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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