Cellohexose
纤维六糖
🗣️ 情景例句
and I felt I should spend more time
我觉得应该多花些时间
He has been to America.
他曾去过美国。[表示曾经有过的经验]
Yes. Wash your hands with soap at the end of your experiment.
可以。在实验结束时要用肥皂洗手。