Cobamic acid
[化] 钴胺酸\\n[医] 钴绷酸
🧩 词语组成解析
🗣️ 情景例句
Why don't you look at some houses, Marilyn?
何不去看一看房子呢， Marilyn？
Poverty on an old man's back is a heavy burden.
老而贫穷，负担沈重。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。