| 单词 | placid |
| 例句 | placid adjective 1.•she's normally very placid:even-tempered, calm, tranquil, equable, unexcitable, serene, mild, 'calm, cool, and collected', composed, self-possessed, poised, easygoing, levelheaded, steady, unruffled, unperturbed, phlegmatic | informal unflappable. ANT excitable. 2.•a placid village:quiet, calm, tranquil, still, peaceful, undisturbed, restful, sleepy. ANT bustling. |
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