Chromoradiometer
X线量感色计
🗣️ 情景例句
I should be finished packing by then.
到那时候我应该已经整理好行李了。
No vice goes alone.
坏事不单行。
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
驯练员手持一根有锋利金属尖头的长棒，站在象前。