Directrixes
n. [数] 准线
🗣️ 情景例句
He's had so many colds and sore throats recently.
他最近常常感冒喉咙痛。
You mind your business, and I'll mind mine.
井水不犯河水。
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。