n.

concluding state of pregnancy; from the onset of labor to the birth of a child

同義詞：parturiencylaborlabourconfinementlying-inchildbed

use of physical or mental energy; hard work

同義詞：effortelbow greaseexertionsweat

Trials, travails and triumphs: an account of RNA catalysis in RNase P
Early Life Thrived Despite Earthly Travails
African-American travel agents: travails and survival.
Hodgkin's disease--clinical trials and travails.
Travails in the Third Dimension: A Critical Evaluation of Three‐Dimensional Geographical Visualization
Organ Sales and Moral Travails: Lessons from the Living Kidney Vendor Program in Iran
Hydrocarbon synthesis via Fischer-Tropsch reaction: travails and triumphs
Trends, travails, and turning points in early research on children's peer relationships: Legacies and lessons for our time?
Sanjay Subrahmanyam. Three Ways to Be Alien: Travails and Encounters in the Early Modern World.
Postauricular, transpetrous, presigmoid approach for extensive skull base tumors in the petroclival region: the successes and the tr...