Santalinic acid
[医] 檀香酸
🧩 词语组成解析
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
He opened it and saw the man from downstairs.
他打开门，看见楼下人。