Hexahydrodesoxyephedrine
六氢脱氧麻黄碱
🗣️ 情景例句
They are eager to learn English.
他们急着要学英语。
An idle youth,a needy age.
少壮不努力，老大徒伤悲。
She sat near the window and asked questions about everything she saw.
她靠车窗坐着，对她所看到的一切都要问个明白。