Eka-element
[化] 待寻元素; 准元素(历史上对周期表中尚缺的元素的叫法)
🧩 词语组成解析
[医][=eruptive keratoacanthoma]疹性角化棘皮瘤
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
Hello, Sally. I'm glad to meet you.
你好，萨里，很高兴见到你。
Do you have a book?
你有一本书吗？
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。