CNN 10 《The Year In Review》Protestsm marches, and calls for changes followed controversial encounters between police and African American civilians.Some of the demonstrations were peaceful.Some were violent with cars and buildings being damaged and stores being looted.请教老师：with cars an...
...得flood也可表示该概念。查询牛津双解：pour v.+prep./adv. to come or go somewhere continuously in large numbersflock v.+adv./prep. To go or gather together somewhere in large numberscrowd into: to move in large numbers into a small space大批涌入（狭小的空间），此处肯定...
... the reactor was cooled to room temperature, the remaining gas was vented, and the slurry and solid collected.这是科技论文里面的一段话，在“the reactor was cooled to room temperature”与“the remaining gas was vented”用的逗号隔开，而后面的加and的并列句子中又省...
请教老师们：This is the heart of scholarship:moving from teacher-taught to master - inspired ,on over to the point where you become a self-learner. 中
(1)那些复合词为什么后面的taught和inspired用被动而不是主动
(2)on over to怎么理解