Methionyl
甲硫氨酰基
🗣️ 情景例句
What do you mean?
是什么意思？
Do you like skating?
你喜欢溜冰？
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。