Betaquinine
β-奎宁, 奎尼丁
🗣️ 情景例句
Thanks, Mrs. Stewart.
谢谢， Stewart太太。
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。