The stress level is the key factor that affects the fatigue life of bottom hole assembly.

钻具组合在井下所承受的应力水平是影响其疲劳寿命的一个关键因素。

youdao

I beg you, from the bottom of my heart, to spare his life.

我诚心诚意地恳求你饶他一命吧。

《牛津词典》

But everything went smoothly since then and you also walked out of the bottom of your life.

不过后面一切都好了，谢天谢地，你也走过了人生的底谷。

youdao

It's the family life of the bottom two-thirds that is the family policy challenge of the 21st century.

CNN: Straight marriage is the real issue

"Pal Joey" is one of the all-time great Broadway musicals, a portrait of life on the bottom rungs of showbiz in which Richard Rodgers and Lorenz Hart teamed up to immensely potent effect with John O'Hara ("Appointment in Samarra"), who wrote the book.

WSJ: 'Woman in Mind': Funny as a Straitjacket | Eclipse Theatre Company | Pal Joey | Porchlight Music Theatre | Reviews by Terry Teachout

But that bottom-line number conceals a widening divergence between the family patterns of the college-educated top one-third, where family life is increasingly stable, and those of the non-college-educated bottom two-thirds, where family life is increasingly disrupted.

CNN: Straight marriage is the real issue