| 单词 | blowhole |
| 释义 | Word Frequency blowhole(ˈbləʊˌhəʊl) noun 1. the nostril, paired or single, of whales, situated far back on the skull 2. a hole in ice through which whales, seals, etc, breathe 3. a. a vent for air or gas, esp to release fumes from a tunnel, passage, etc b. New Zealand a hole emitting gas or steam in a volcanic region 4. a bubble-like defect in an ingot resulting from gas being trapped during solidification 5. geology a hole in a cliff top leading to a sea cave through which air is forced by the action of the sea |
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