Opsonin
n. 调理素\\n[化] 调理素
🗣️ 情景例句
Anything else?
还有其它的吗？
How annoying!
真讨厌！
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。