| 单词 | imperturbable |
| 例句 | imperturbable adjective •the guide dogs are trained to be imperturbable:self-possessed, composed, calm, cool, and collected, coolheaded, self-controlled, serene, relaxed, unexcitable, even-tempered, placid, phlegmatic | unperturbed, unflustered, unruffled | informal unflappable, unfazed, nonplussed, laid-back | rare equanimous. ANT excitable, edgy. |
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