Photon activation analysis(paa)
[化] 光子活化分析
🧩 词语组成解析
n. 光子, 光量子, 光度\\n[化] 光量子; 光子
activation
[,ækti'veiʃən]
n. 活化，激活，[化]活化作用;致活;
🗣️ 情景例句
Guess who I ran into today?
你猜我今天碰见谁啦？
The shortest answer is doing.
最简短的回答就是做。
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。