1. I was confronted with an array of knobs, levers, and switches. 我面对着一排旋钮、控制杆和开关。
2. It isn't art—it's just a horror movie with knobs on! 那不是艺术—只是更为恐怖的恐怖片而已！
3. In order to relate turning these physical knobs to this quantity, which we don't have a very good feel for, we've got to have a feel for the slopes. 为了把这些物理量同我们不是很理解的这个量联系起来，我们必须对斜率有一定的了解。
4. In general, action potentials that reach the synaptic knobs cause a neurotransmitter to be released into the synaptic cleft. 一般来说，动作电位到达突触节会导致神经递质释放到突触间隙。
