muscular activity短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 肌肉活动 Only a portion of time is required for procuring food, and the remainder is not engrossed by anxious thought for the morrow, or necessary repose from muscular activity. 只需要花一部分时间来获取食物，其余时间既毋须为将来担忧。也毋须用于劳累后的歇息。1stenglish