持续劳动

contract labor───合同雇工

constant danger───固定火险性

contract labors───合同雇工

constant pain───持续的疼痛

constant battle───不停的战斗

constant dollar───不变价值美元；定值美元

constant motion───恒速运动；匀速运动

constant dialogue───持续对话

constabular───警察

I soon saw it would take me twenty years of constant labor.───我很快发现这需要我20年一直劳动。

These workers faced arduous labor, and the constant danger of being attacked by bandits.───这些工人面临的繁重劳动，和不断有遭受歹徒袭击的危险。

This work was begun in 1781 and completed after 72 years of constant labor by over 70 masons from a nearby village.───这项工作开始于1781年，调拨附近村庄70多个工匠，经过72年的不断努力建成。

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