Radioactive indicator
[化] 放射指示剂
🏥 医学释义
放射性示踪剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
Licking envelopes.
粘信封。
A fool's heart dances on his lips.
愚人心坦荡，挂在嘴唇上。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。