| 单词 | nectary |
| 释义 | nectary noun[C] biologyspecializeduk/ˈnektəri/us/ˈnektəri/thepartof aflowerthatproducesnectar 蜜腺Parts of plants
Examplesofnectarynectary We displaced the ants from the nectaries by gentle shaking and delicately rubbed earthworms on eachnectaryto apply mucus. From theCambridge English Corpus However, after contact with the mucus, the ants retreated and exhibited antennal cleaning, especially when contact with thenectarytook place soon after mucus treatment. From theCambridge English Corpus At the end of the 10 min, only two ants drank at anectary. From theCambridge English Corpus Ants, widely regarded as the most important consumers of extrafloral nectar, made up only 60% of allnectary-visiting arthropods. From theCambridge English Corpus Behavioural observations revealed that many flies actively excluded other arthropods, including ants, from the nectaries or leaves. From theCambridge English Corpus In general, arthropods from several taxonomic groups appear at extrafloral nectaries, but ants seem to be the most important defenders. From theCambridge English Corpus During the first 7 min, none of the ants that contacted the nectaries, often visiting each one in turn, drank from them. From theCambridge English Corpus All ants drinking at nectaries before the treatment, returned to the nectaries after the disturbance. From theCambridge English Corpus Four different resources might serve as examples: extrafloral nectaries, springtails, termites and ants themselves. From theCambridge English Corpus The ants feed at extrafloral nectaries of leaves, stipules and flower bracts. From theCambridge English Corpus The patterns ofnectaryvisitors are therefore considered separately for day and night and for both induction states. From theCambridge English Corpus Soil and litter ants are mostly scavengers and predators but arboreal ants to a great extent use extrafloral nectaries and honeydew sources. From theCambridge English Corpus Soya-bean flowers:nectaryultra-structure, nectar guides, and orientation on the flower by foraging honeybees. From theCambridge English Corpus This effect is mucus-based since once desiccated, the earthworms were consumed by ants, and since ants clearly avoided mucus-treated nectaries, although nectaries are their principal food source. From theCambridge English Corpus Control observations confirmed that, without mucus treatment, most of the ants returned to the nectaries in a few seconds after leaf disturbance. 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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