Aldotriose
丙醛糖
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
My brother wants to learn how to play the piano.
我的兄弟要去学弹钢琴。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。