Proton activation analysis(paa)
[化] 质子活化分析
🧩 词语组成解析
activation
[,ækti'veiʃən]
n. 活化，激活，[化]活化作用;致活;
🗣️ 情景例句
Have you got time this morning
今天上午你有时间
There's more knows Tom Fool than Tom Fool knows.
臭名气并不光彩。
He can't take a joke.
他开不得玩笑。