Transcobalamin
运钴胺素蛋白
🗣️ 情景例句
And a living room with a twelve-foot ceiling.
有一间十二米高的客厅。
It's urgent to improve the packing.
必须马上改进包装。
The box is heavy. Can you carry it?
这个箱子很重，你能搬动吗？