Abstrusity
n. 难解, 深奥
🗣️ 情景例句
Right.
对。
Apothecaries would not sugar their pills unless they were bitter.
好药不苦不会加糖衣。
when he knew that he was dying, he made me promise to go on my own.
他知道自己已奄奄一息，于是他要我答应一定单独回故乡一趟。