fret
n.[建筑]回纹饰，状饰物；烦躁，烦恼；腐蚀处，磨损处；弓上木头的毛病
v.磨损，腐蚀；焦急；使烦恼；用回纹装饰
vi.烦恼；磨损；焦急
网络解释.荧光共振能量传递；荧光能量共振转移；挡子；琴柱
词形变化:
复数：frets 复数：fretted 复数：fretted 复数：fretting 复数：frets
派生词: fretless
worry fuss
双语例句
1. 1 . But congressional staffers fret that the project will eventually cost billions more.
但是国会工作人员担心这项计划最终会多耗资数十亿元。
来自柯林斯例句