Perfluoropropane
[机] 八氟丙烷
🗣️ 情景例句
It's 5:00 p.m. today.
今天下午5点整。
Do you speak English?
你会说英语吗？
in the form of a large group of enlightened young men and women who are potential leaders.
便是培养出大批有知识的男女青年，这些人可能会成为未来的栋梁。