Pteridines
(pteridine 的第三人称 -s形式) n.[生化]蝶啶
🗣️ 情景例句
The woods are lovely, dark and deep,
林子迷人 漆黑而深邃
Did you have a nice holiday?
你假期过得愉快吗？
No matter how hard I tried, it was impossible to fill this beautiful pen with ink and to this day it has never written a single world!
然而不管我如何摆弄，那枝漂亮的钢笔就是吸不进墨水来。直到今天，那枝笔连一个字也没写过！