fret|frets|fretted

别为明天的考试焦虑，你已经准备得很充分了。

Don't ___fret about tomorrow's exam; you're well prepared.

吉他手的手指在琴弦与品丝之间快速移动。

The guitarist's fingers moved quickly between the strings and the ___frets.

多年的海水侵蚀使金属栏杆逐渐锈蚀。

The metal railing was ___fretted by years of saltwater exposure.