toilful
英 ['tɔɪlfəl] 美 ['tɔɪlfəl]

adj.

费力的，辛苦的；

权威例句

An Ambitious Woman. A novel.
The Cageing Of Ares
A 3D geometrical model of the man and the monkey Pavian anubis torso.
Technogenically disturbed lands as a result of mining development)
BOM auto design system of 3D die-casting die based on database
Rice Outer-quality Inspection Based on Computer Vision
The Study of Remote-control System for the Device of Hose Drawn in/Given-out in Airport Oil-tank Truck
Workstation
Comparative characterization of the heavy metal contents in samples from two regions in Bulgaria with different anthropogenic load.
The Expedition of the Donner Party and its Tragic Fate pptx