| 单词 | fall on/upon |
| 释义 | fall on/upon[phrasal verb] 1 fall on/upon (something) a : to begin to experience (something) : to meet with (an experience)经历；遭遇
b : to notice (something) especially without wanting or trying to偶然发现
2 fall on/upon (someone) : to attack (someone) suddenly突袭
⇒ Main Entry: 1 fall |
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