Indefatigability
n. 不疲劳, 不屈不挠
🗣️ 情景例句
Sam, this is Susan. Sam
我是Susan。
Have you seen Mr. Smith recently?
最近你见过史密斯先生吗？
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。