Fast chemical reaction
[机] 快速化学反应
🧩 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
Besides Chinese New Year, what are the other festivals according to the Lunar Calendar?
农历新年以外还有什么节日？
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
He may hunt, beg, or stead occasionally to keep himself alive;
为了生存，他可能会去打猎、乞讨，偶尔偷上一两回；