| 单词 | snail |
| 释义 | snail noun[C] uk/sneɪl/us/sneɪl/asmallcreaturewith asoft,wetbodyand a roundshell, thatmovesveryslowlyand ofteneatsgardenplants 蜗牛 Mike Kemp/GettyImages Worms, snails, slugs & similar animals
Idiomat a snail's pace snail| American Dictionarysnail noun[C] us/sneɪl/asmallanimalthat has ashellandmovesveryslowly Idiomat a snail’s pace Examplesofsnailsnail In resistant snails, haemocytes infiltrate the tissues surrounding young sporocysts and form multi-layered cellular encapsulations that result in larval destruction within 24-48 hours. From theCambridge English Corpus Therefore, we only excluded juvenile snails from the analysis to lessen the effects of the dynamics or local heterogeneity of host population on parasite prevalence. From theCambridge English Corpus The encystation of metacercariae in primary infected snails without the release of cercariae into the environment may also be an artefact of the experimental procedure. From theCambridge English Corpus The collected snails were then identified by species using an identification key [16]. From theCambridge English Corpus Trematodes, however, not only modify their immediate habitat (snails), they also can affect the positioning of that habitat in an ecosystem. From theCambridge English Corpus We then focus on flukes and snails, highlighting important biological traits with regard to population structure. From theCambridge English Corpus They collected 18 uninfected snails, 162 with single infections (5 species), 134 with double infections (11 combinations), and 65 with triple infections (5 combinations). From theCambridge English Corpus Of snails examined, 12n57 % carried multiple-species infections, usually involving core species. From theCambridge English Corpus Potentiation of zinc stress caused by parasitic infections of snails. From theCambridge English Corpus Only 8.0% of the snails with shell length 15 mm were infected, in contrast to 98.0% of the snails with shell length > 26 mm. From theCambridge English Corpus Overall, 51n04 % of snails were infected (range across 9 sites l 8n7-100 %) with 1 or more species. From theCambridge English Corpus In most habitats, infections were recorded in both cattle and snails. From theCambridge English Corpus Each replicate line was maintained in large (51i31 cm) tanks containing 60 snails of matched compatibility selection status, with no intervention on mating strategy incorporated. From theCambridge English Corpus However, these have not been fully applied for the detection of infections in snails under field conditions. From theCambridge English Corpus Ecological factors in schistosome transmission, and an environmentally benign method for controlling snails in a recreational lake with a record of schistosome dermatitis. 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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