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
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
but the took a long time to send them Meanwhile,
但过了好长时间不见他把数字寄来，