Idioms
1. not planned by anyone; accidentally
偶然に
Test
1 / 5
put one's foot on the accelerator
2 / 5
The sun is just about to sink.
3 / 5
Plastic is not absorbent, but cotton is.
4 / 5
She was listening to the English teacher absent-mindedly.
5 / 5
We have two Chinese classes a week.
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