Quadrivalent element
[化] 四价元素\\n[医] 四价元素
🧩 词语组成解析
a. 四价的\\n[医] 四价的
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
He's such a workaholic that he doesn't know how to spend his leisure time.
他是个工作狂，以至于不懂得如何打发他的空闲时间。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
Newspapers and magazines offered the family huge sums for the exclusive rights to publish stories and photographs.
报纸、杂志出高价向他们购买文字、图片的独家报道权。