years of laborious training.
数年
艰苦训练。
；困难，
;时间;;;;，无聊;，冗长;;
果, 无益;;;years of laborious training.
数年艰苦训练。
They had the laborious task of cutting down the huge tree.
他们接受了伐大树艰苦工作。
his slow laborious style.
他拖沓、不流畅风格。
spent many laborious hours on the project.
这项工程耗
了长期艰辛劳动
picturesque scenery painted with laborious literalism
以努
不懈写实法
栩栩如生风景
"Chinese sundry secret laborious " account: The daughter Liang Nvying that emperor of post of the Eastern Han Dynasty wants to establish imperatorial Liang Shang is empress.
《汉杂事秘辛》记载：东汉桓帝要立大将军梁商女儿梁女莹为皇后。
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