Vitamine b-12-zinc tannate complex
[化] 维生素B-12-鞣酸锌复合物
🧩 词语组成解析
n. 维生素, 维他命
twelve
zinc
[zɪŋk]
n. [化]锌;
vt. 镀锌于…;在…上镀锌;
n. 丹宁酸盐\\n[化] 单宁酸盐
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
Dick is very modest about his accomplishments.
迪克对自己的业绩非常谦虚。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，