| 单词 | keel |
| 例句 | keel noun PHRASES on an even keel •finally, the relationship seems to be on an even keel:steady, on track, on course, untroubled. keel over 1.•the boat keeled over:capsize, turn turtle, turn upside down, founder | overturn, turn over, flip (over), tip over. 2.•the slightest activity made him keel over:collapse, faint, pass out, black out, lose consciousness, swoon. |
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