🧩 词语组成解析
fast
[fæst]
adj. 快的;走得快;感光快的;紧的;
adv. （比准确的时间或宣布的时间）快;迅速地;紧紧地;彻底地;
vi. 禁食，（尤指）斋戒;
n. 禁食期，斋戒期;断食，节食;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
A fool's heart dances on his lips.
愚人心坦荡，挂在嘴唇上。
It had been baked by a college student who had used over 1,000 pounds of flour, 800 pounds of sugar, 200 pounds of fat, and 400 pounds of various other ingredients.
它是由一个大学生烘制的，用去1，000多磅的面粉、800磅食糖、200磅动物脂肪及400磅其他各种原料。