laborious是什么意思（laborious的用法）

大家好，知识小编来为大家讲解下。laborious是什么意思，laborious的用法很多人还不知道，现在让我们一起来看看吧！

一、laborious是什么意思

1、laborious 辛苦的

2、来自labor,劳动，辛劳。

二、laborious的用法

1、laborious (adj.)

2、late 14c., "hard-working, industrious," from Old French laborios "arduous, wearisome; hard-working" (12c., Modern French laborieux), from Latin laboriosus "toilsome, wearisome, troublesome," from labor (see labor (n.)). Meaning "costing much labor, burdensome" is from early 15c.; meaning "resulting from hard work" is mid-15c. Related: Laboriousness.

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