Poincare transformation
[化] 庞加莱变换
🧩 词语组成解析
庞加莱（法国数学家）
🗣️ 情景例句
from the various generations of future users.
从不同辈份的未来使用者中。
Work makes the workman.
工作出工匠。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了