Pteropterin
[化] 蝶罗呤; 蝶酰二-γ-谷氨酰谷氨酸
🗣️ 情景例句
I'd like to make a couple of proposals to improve the whole situation.
为了改善整个局面，我们提出若干建议。
Joe felt the lecture wasn't very interesting.
乔感觉演讲一点也不精彩。
There is no doubt about it.
那是毫无疑问的。