-
Now, I tie this one kilogram mass to it and let it go.
现在,我把这个 1 千克重的物体系上,并松开手
应用推荐
$firstVoiceSent
- 来自原声例句
Now, I tie this one kilogram mass to it and let it go.
现在,我把这个 1 千克重的物体系上,并松开手
应用推荐