strenuous
01
费力的, strenuous
requiring great physical effort or energy
例子
His strenuous workout pushed his physical limits.
他 strenuous 的锻炼推动了他的身体极限。
例子
The project demanded strenuous concentration.
该项目需要 strenuous 的专注力。
词汇树
strenuously
strenuousness
strenuous
strenu
