biotin-marking
基本解释
- 生物素标记
英汉例句
- He accused his teacher of unfair marking.
他指责教师打分不公平。 - He vainly tried to mark the defacing stain out.
他试图除去有损外观的污迹，但没有成功。 - She spent the evening marking examination papers.
她一晚上都在批试卷。 - A sinuous path, line, or marking.
弯弯曲曲的道路、线条或记号 - Marking the exam papers was quite a slog.
评阅试卷是很辛苦的工作。