Lenk
[医][=leucine-enkephalin]亮氨酸-脑啡肽
🗣️ 情景例句
Will you be so kind as to help me out of the difficulty?
帮助我克服困难，好吗？
Many men have many minds.
人多意见多；人多口杂。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；