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
I hear what you're saying.
我明白你的意思。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。