Fast neutron
[电] 速中子
🧩 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
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
Have you ever thought about a career in the medical profession?
你曾经在医药专业考虑职业吗？
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。