Prinipal component of stress
[机] 主应力
🧩 词语组成解析
[机] 头, 支配者; 主要的, 第一位的
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
stress
[stres]
n. 强调;重音;压力;重力;
vt. 重读;[机械学]使承受压力;给…加压力（或应力）;
🗣️ 情景例句
what you were thinking about regarding going back to work.
是否打算回去工作。
Why was only he exempted from work?
为什么只有他不必工作呢？
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。