?? 詞語組成解析
fast
[f?st]
adj. 快的;走得快;感光快的;緊的;
adv. （比準確的時間或宣布的時間）快;迅速地;緊緊地;徹底地;
vi. 禁食，（尤指）齋戒;
n. 禁食期，齋戒期;斷食，節食;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
It's locked.
它鎖著。
This award means a great deal to me.
這個獎對我意味深長。
and one odd finding that makes the problem puzzling is that it looks very much as if sleeping is not simply a matter of giving the body a rest.
一項使人對這個問題感到困惑的奇怪的發現是，睡眠在很大程度似乎并不僅僅是為了使身體得到休息。