Lactamine
丙氨酸
🗣️ 情景例句
Right this way, Mr. and Mrs. Stewart.
走这边， Stewart先生和太太。
We can see the train station from our house.
从我们的屋子可以看到火车站。
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼，然后猜谁手里有橡皮擦。