Fmf
abbr. fetal movement felt 感覺胎動; field maintenance factor 現場維護系數
??? 情景例句
Well, there must be something.
嗯 ，一定可以找到事做。
I don't feel very well this morning.
我今早感到不很好。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我們是幼兒和小孩子，身體較脆弱；