基本解释基質間片同根派生 frets相关词英汉例句Don't fret, we'll get there on time.別著急,我們能準時到那裡。Fretting about it won't help.發愁於事無補。Babies often fret (themselves) when their mothers are not near.嬰兒常常因母親不在身邊而哭閙。You are fretting yourself needlessly.你是在不必要地折磨自己。frets更多例句