两码和最准的方法简介：As soon as Chen Xiaolong heard that there was a danger of explosion, he immediately took two steps forward and turned back the switch. However, due to being too nervous, Chen Xiaolong actually turned the switch knob directly.
As soon as Chen Xiaolong heard that there was a danger of explosion, he immediately took two steps forward and turned back the switch. However, due to being too nervous, Chen Xiaolong actually turned the switch knob directly.
