constrains怎么读？

v.强迫( constrain的第三人称单数 )，强使，限制，约束...

We'll ignore the continuity constrains.我们往往忽略连续约束条件.It imposes constrains, restricting nature's freedom.它具有限制自然界自由度的强制性.Their species'genetic makeup constrains them to be insects.他们的物种基因构成限制了它们成为昆虫....