Directrix
n. 准线\\n[计] 准线
✅ 同义词
🗣️ 情景例句
The boy has infected tonsils,
这孩子的扁桃腺受到感染了，
To manufacture automobiles
生产汽车
Later, for its personal safety and practical needs,
慢慢地，由于自身安全和实际需要，