Picromycin
苦霉素
🗣️ 情景例句
Where did you come from?
你从哪里来？
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
Four years later, she left the children's home and entered an institution for the blind, where she learnt braille.
4年之后，她离开孤儿院，进入一盲人学校，学习布莱叶盲文。