Protoacin
[化] 银树苦素; 山龙眼苦素
🗣️ 情景例句
which we made clear at the beginning of the negotiation.
关于这一点，我们早在开始谈判时期就讲明了。
I often get up in the morning.
我常常在早上起床。
probably vertical, cliffs, and gentle sediment-covered terraces,
乃至垂直的峭壁和沉积物覆盖的缓和的阶梯地带，