美 [fɔːl ɪn]
服从，听从：指遵守规定或命令，服从指挥。
塌陷，坍塌：指建筑物或结构物因受损而向内倒塌。
fall in //
动词 to collapse; no longer act as a support 倒塌
the order to adopt a military formation 采取军事编队的次序
(使)入列，(使)集合，排好队列：
投进
进入同步
fall for [俚]爱上; 迷恋; 信以为真, 被欺骗 fall in (屋顶等)塌陷; 往里坍陷; 凹进；【军】集合; 排队；一致; 符合; 同意；(债务等)到期; (租约等)期满; 失效；遇见 fall in alongside 跟(正在行进的人)一起走 ..
... fall apart崩溃;四分五裂;散架;土崩瓦解 fall within属于;适合于;适合;该当 FALL IN跟随;集合;坍下;坍塌 ...
... fake：假动作（n），做假动作（v）；包含持球时头部、脚等假动作。 fall in：投进。 fast break：快攻。 ...
They announced a fall in pretax profits.
他们宣布了税前利润的下降。
The sergeant ordered his men to fall in.
中士命令士兵集合。
There was a sharp fall in the value of the dollar.
美元的价值有大幅下降。
In warmer climates, snow is known to fall in areas over four thousand nine hundred meters above sea level.
VOA : special.2010.01.05
In other words, if the rise in instability is greater than the fall in stability, delta E this is a positive delta E.
换而言之，如果不稳定性的增加,大于稳定性的降低，将会有一个正的。
固态化学导论课程节选 : 麻省理工公开课
Levi-Strauss is repudiating the father and, in repudiating the father, showing himself to fall into the very mythic pattern that Freud had been the first to analyze.
列维否认了父亲，在否认父亲的同时，也掉入了,弗洛伊德首创的神话分析模式。
文学理论导论课程节选 : 耶鲁公开课
In the film,their two very different characters fall in love on a riverboat in the middle of Africa.
VOA : special.2009.09.20
They start to fall in love. But after he recovers, the girlfriend who left him when he got hurt tries to win him back.
VOA : special.2010.06.14
He was the first of many foreign filmmakers to fall in love with the country.
Ghosn predicts that carmakers that are struggling will suffer if industry sales fall in 2007.
The company went into administration last month, after it struggled with a fall in sales during the recession.