F-block element
[化] f区元素
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
We've known each other since we were children.
我们从小就认识。
She feels shy about meeting Frank for the first time.
她对于第一次和弗兰克约会感到难为情。
I haven't decided.
还没有决定。