viability

医生检查了新生儿的存活能力。

The doctor checked the ___viability of the newborn baby.

这项新技术的商业可行性还有待验证。

The commercial ___viability of this new technology remains to be proven.

24周后，医生评估胎儿在子宫外存活的概率很高。

After 24 weeks, doctors assessed high ___viability for the fetus outside the womb.