Feofitin
脱镁叶绿素
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
It has a span of 4,260 feet.
桥长4，260英尺。