three-pronged
/ˈθriːprɒŋd/adjective
1- having three projecting, pointed parts有三叉的; 有三叉尖的, 有三尖齿的：
a three-pronged hook.
三尖齿叉。
1.1
- (especially of an attack or operation) having three separate parts（尤指攻击、操作）三部分的。