Undecylene
十一碳烯
🗣️ 情景例句
What are you going to do about your appointment
那怎么办
You may leave it to me.
交给我来办。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。