不
首
先
使
用
不
首
先
使
用
Definitions5 characters (policy nuclear weapons)/NFU
Usage•••frequent
Pronunciations
不
首
先
使
用
As word
1no first use (policy for nuclear weapons)/NFU
2no first use (policy for nuclear weapons)/NFU
3no first use (policy for nuclear weapons)/NFU
4no first use (policy for nuclear weapons)/NFU
5no first use (policy for nuclear weapons)/NFU