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
instead of you coming here.
而不是你到这儿来。
You'll be there in plenty of time.
你可以很方便地到达那里。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。