Lenk
[医][=leucine-enkephalin]亮氨酸-脑啡肽
🗣️ 情景例句
No, I could never agree to sign this contract.
不，我无论如何也不会签这份合同。
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
if given the chance to live long enough;
即使能让它们活得足够长久的话，