Massoilactone
二氢戊基吡喃
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
Will you please fill the bath?
请你替我的浴缸放满水。
Yes, he did.He telephoned at nine o'clock.
是的，打了。他在9点钟又打电话。