Fast variable
[化] 快变量
🧩 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;
🗣️ 情景例句
Did you remember your other appointment for today?
还记得今天的另一个约会吗？
When in doubt, play trumps.
举棋苟不定，何妨将一军。
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。