He navel dirty looks in the West may be fixed at birth doctor's medicine, my daughter are still in the navel.

他肚脐里的看上去的脏动西可能是出生时医生上的药，我女儿肚脐里现在都还有。

youdao

I'd always thought that fate was something unchangeable: fixed for every one of us at birth, and as constant as the circuit of stars.

我一直认为命运是不可改变的东西：在我们每个人出生时已被固定，就像行星的轨迹一样不会改变。

youdao

We investigate the dynamic behaviors of a stage-structured pest population model with birth pulse and impulsive spraying pesticide at fixed time.

研究了一个具有阶段结构，脉冲生育及在固定时刻对其喷洒杀虫剂的害虫种群模型的动力学性质。

youdao

In April five Law Lords rejected the Lincolnshire couple's marriage, saying Parliament regards gender at birth as fixed for life.

BBC: Transsexual Elizabeth Bellinger and her husband Michael