The ball mill′s rotational speed can only affect the impact force and frequency and has no influence on its separation point between balls and mill wall.

高能球磨机的转速不会影响磨球与磨筒壁的脱离点，只会影响磨球对粉体的撞击力及撞击频率。

youdao

No. That's completely the wrong way to go about thinking what it's like to be a ball point pen.

并不是，这样想象圆珠笔的感觉,是完全错误的。

耶鲁公开课 - 死亡课程节选

Imagine that I try to ask myself, "What's it like to be my ball point pen?"

想象一下我试问自己，作为我的圆珠笔的感觉“

耶鲁公开课 - 死亡课程节选

No mystery about what it's like to be a ball point pen.

变成圆珠笔本身并没有什么神秘的。

耶鲁公开课 - 死亡课程节选

Richard Owen squandered a good chance to give the Tigers the lead and Wellens made him pay from Lomax's ball to give them an eight-point half-time advantage.

BBC: Castleford Tigers 26-46 St Helens

Johnson stooped too low to flick on Davies' cross and Zamora was perfectly placed to side-foot the ball in from point-blank range past Carson's despairing dive.

BBC: Fulham 2-0 West Brom

Points are scored if one team fails to return the other's serve across the halfway point of the taste, or if the serving team succeeds in getting the ball past the opponent's end line.

ECONOMIST: Sports anthropology