strenuous
US /ˈstren.ju.əs/
UK /ˈstren.ju.əs/
形容词
1.
费力的
needing or using a lot of physical or mental effort or energy:
示例:
•
He rarely does anything more strenuous than changing the channels on the television.
在 Lingoland 学习这个单词
费力的
needing or using a lot of physical or mental effort or energy: