loop through 依次通过
loop-through output 环行输出
single-stage once through reaction loop 一段串联单程通过工艺
draw through a loop 从绒线处拉掉针数
through back loop tbl 从线环后面穿过
Each week,the show took them - and viewers - on an emotional and mind-bending roller coaster ride, through a dizzying loop of supernatural forces, armed conspirators and,of course,romance."
VOA: standard.2010.05.25
So first time through the loop, the answer is a. Second time it-sorry, as it enters the loop, at the time it enter exits a the answer is a.
当第一次完成循环的时候,答案是a,第二次,对不起,在第一次进入循环的时候,答案就是。
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