Diphosphatidyl
心磷脂
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
and as the number of stars in the universe is so vast,
因为宇宙中恒星的数目极其庞大，