Triazolidine
三唑烷
🗣️ 情景例句
But, well,
但是，嗯，
How do you spend your leisure time?
你怎样打发业余时间？
When Christ was born nearly two thousand years ago, many people, rich and poor, gave him presents.
大约2000年前基督出生时，许多人，不论穷富，都给他礼物。