Malonurea
丙二酰脲, 巴比土酸
🗣️ 情景例句
Please check to be sure you have your belongings.
请记得带您的行李。
Self-confidence is the first requisite to human greatness.
人类的伟大，首要的是要有自信。
The secretary worked late into the night, preparing a long speech for the president.
秘书工作到深夜，为总统准备发言稿。