Phosphatidalcholine
缩醛磷脂酰胆碱
🗣️ 情景例句
You're sure Alexandra's going to be surprised?
你确定Alexandra会很惊讶吗？
Mock not a cobbler for his black thumbs.
不要嘲笑皮匠的黑拇指。
Don't say that before you look at the picture. Turn it on.
未看图像之前先别这样说。打开。