labor

She was in labor for more than twelve hours before the baby was finally born.

(Chinese) 她在阵痛中坚持了十二个多小时，宝宝才终于出生。

The doctor decided to induce labor because the baby was two weeks overdue.

(Chinese) 医生决定引产，因为婴儿已经预产期过了两周。

The cost of manual labor has increased significantly in the construction industry.

(Chinese) 建筑行业的体力劳动成本已显著上升。

Building the pyramid required the labor of thousands of workers over decades.

(Chinese) 建造金字塔需要成千上万工人几十年的辛勤劳动。

He labored over the project all afternoon to ensure every detail was perfect.

(Chinese) 他整个下午都在辛苦钻研这个项目，以确保每个细节都完美无缺。

The old steam engine labored up the steep mountain slope with a heavy load.

(Chinese) 那台旧蒸汽机载着重物费力地爬上陡峭的山坡。