Selectivity
n. 选择性, 选择度\\n[化] 选择性
📖 牛津释义
selectivity
n[U]
1 quality of being selective 选择性.
2 the power of a radio to receive broadcasts from one station without interference from other stations （收音机排除干扰的）选择性能.
🗣️ 情景例句
You're welcome. Good-bye.
不用谢。再见。
Excuse me for being late.
对不起我迟到了。
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，