Sertulum
(关于所采集的)一组植物的科学论文
🗣️ 情景例句
Good-bye, Miss Aborn.
再见 Aborn小姐。
It'll take almost all my savings to buy the ticket.
买票将花了我几乎所有的积蓄。
The letter x stands for an unknown number.
字母x代表未知数。