p*****m 发帖数: 219 | 1 semi is for half
What's is for quarter?
3ks! | b*********a 发帖数: 110 | 2 说a quarter of... 就已经可以了。有semi-circle, quarter circle.
【在 p*****m 的大作中提到】![](/moin_static193/solenoid/img/up.png) : semi is for half : What's is for quarter? : 3ks!
| u*****d 发帖数: 1009 | 3 a fourth
or
one fourth
【在 b*********a 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 说a quarter of... 就已经可以了。有semi-circle, quarter circle.
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