Ethinylestradiol
乙炔雌二醇; 炔雌醇
🗣️ 情景例句
Is that it?
就这些吗？
Grasp the shadow and let go the substance.
舍本逐末。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）