倒塌， 塌陷，集合，同意...

There was a sharp fall in the value of the pound.英镑大幅贬值。The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。Slowly but surely she started to fall in love with him.虽然过程缓慢，但她无疑开始爱上他了。...

fall in的音标：fall in的英式发音音标为：[fɔ:l ɪn]fall in的美式发音音标为：[fɔl ɪn]...