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
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
What alternatives do I have?
我有什么选择？
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。