这项任务的艰难程度在最初的几天里就变得十分明显。
The arduousness of the task became apparent within the first few days.
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The arduousness of the task became apparent within the first few days.
The arduousness of the task became apparent within the first few days.
The arduousness of the task became apparent within the first few days.
在 App 中完整学习这张卡片
在 App 中学习