Lenk
[醫(yī)][=leucine-enkephalin]亮氨酸-腦啡肽
??? 情景例句
Will you be so kind as to help me out of the difficulty?
幫助我克服困難，好嗎？
Many men have many minds.
人多意見多；人多口雜。
The first records the arrival of longitudinal vibrations.
首先記錄下的是縱向波的到達(dá)；