If you just call me 如果你呼唤我的名字
你刚叫我什么?
See, why did you just call me "sweetie"?
瞧 为什么你只叫我“甜心”?。
There was this long silence and then he said, 'Did you just call me a shellfish?'
沉默了许久,他对我说,“你刚才是不是叫我贝壳来着?”
Then you guys know, you just told me, acceleration is -9.8, We call it "minus" because it's accelerating down and up was taken to be the positive direction.
然后你们都知道,你告诉我,加速度是-9.8,我们取负号是因为加速度方向朝下,而正方向为竖直向上
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