Umbelactone
羟甲基甲基呋喃酮
🗣️ 情景例句
It's six o'clock.
已经六点了。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
I arranged to meet Jane after work last night but she didn't turn up.
我昨晚安排下班后见简，但她没来。