Backbone element
[法] 中坚分子
🧩 词语组成解析
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
Good morning, Susan.
早安， Susan。
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
These objects, however, were different.
这些展品却使人大开眼界。