3. fret：fluorescent resonance energy transfer; 熒光共振能量轉移
4. fret：fluorescence resonance energy transfer; 熒光共振能量傳遞
fret詞典解釋
1. 苦惱;煩惱;發(fā)愁 If you fret about something, you worry about it.
fret的意思
e.g. I was working all hours and constantly fretting about everyone else's problems... 我一刻不閑地工作，總是為別人的事操心。 e.g. But congressional staffers fret that the project will eventually cost billions more... 但是國會(huì )工作人員擔心這項計劃最終會(huì )多耗資數十億元。
2. (吉他等弦樂(lè )器琴頸處的)品 The frets on a musical instrument such as a guitar are the raised lines across its neck.
fret英英釋義
noun
1. a small bar of metal across the fingerboard of a musical instrument when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
2. an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
e.g. there was a simple fret at the top of the walls
Synonym: Greek fretGreek keykey pattern
3. a spot that has been worn away by abrasion or erosion
Synonym: worn spot
4. agitation resulting from active worry
e.g. don't get in a stew he's in a sweat about exams
Synonym: stewsweatlatherswither
fret
verb
1. wear away or erode
Synonym: eat away
2. remove soil or rock
e.g. Rain eroded the terraces
Synonym: erodeeat away
3. cause friction
e.g. my sweater scratches
Synonym: rubfraychafescratch
4. be too tight rub or press
e.g. This neckband is choking the cat
Synonym: chokegag
5. decorate with an interlaced design
6. carve a pattern into
7. be agitated or irritated
e.g. don't fret over these small details
8. gnaw into make resentful or angry
e.g. The injustice rankled her his resentment festered
Synonym: eat intoranklegrate
9. cause annoyance in
10. worry unnecessarily or excessively
e.g. don't fuss too much over the grandchildren--they are quite big now