| 词汇 | keel |
| 释义 | keel noun[ C ] uk /kiːl/ us /kiːl/ the long piece of wood or metal along the bottom of a boat that forms part of its structure and helps to keep the boat balanced in the water（船的）龙骨 Parts of ships & boats abaft airlock bilge water boathook boiler room bowline cleat paddle periscope propeller prow rigging spar sprit stabilizer steerage stem strop sun deck superstructure keel | American Dictionarykeel noun[ C ] us/kil/ the long piece of wood or steel put along the bottom of a boat from front to back that supports the frame keel | Business Englishkeel noun[ C ] uk /kiːl/us on an even keel continuing or operating without problems or sudden changes: High oil prices are making it difficult to keep the economy and inflation on an even keel. Examples of keelkeel Several prominent transverse wrinkles occur on the lower part of the cushion but there is no distinct keel. Pieces of the false keel floated to the surface, but the ship was quickly refloated and found not to be leaking. Her bow and keel were extra solid and large, to make her capable of penetrating the ice and reaching the whaling and sealing grounds. The manner in which this was done was so approachable and friendly that it immediately put a quivering wreck on a more even keel. Type of teeth: 0, teeth of cidaroid type; 1, grooved teeth; 2, keeled teeth; 3, teeth diamond-shaped in cross-section. 37. The carapace has a roughly rounded outline and lacks midline or lateral keels. It joins with the posterior keels of the cusp at an angle of about 45 degrees. That said, might the effect of our folly in this last regard be righted by the keel of evolutionary fortune? Only then could parish politics be put back on an even keel. A steel keel provides an added moment to maintain the vehicle in an upright pose. The lower field has transverse plications that become thickened along the keel. Most of the ammonites studied have ribs, tubercles, keels and other ornaments. It's the need to learn and blend with the environment, to keep an even psychological keel, to have an eye for detail and another on the big picture. They chirped and keeled over. A lateral longitudinal keel-like ridge occurs on abdominal segments 1-8 just ventral to the spiracles, becoming extremely prominent as the respiratory contractions of the larva take place. 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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