| 词汇 | all-at-once |
| 释义 | all at onceidiom C1 suddenly and unexpectedly: 突然（的）;一夜之间（的） All at once there was a loud crashing sound.突然发出哗啦一声巨响。 Not expected or planned abrupt end abrupt halt abruptly abruptness ad hoc inadvertency inadvertent inadvertently inconceivable inconceivably sine die spirit spontaneity spontaneous spontaneously unsuspected untimely untoward unwilled unwitting |
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