Copaiva
n. 古巴香胶, 苦配巴香胶, 古巴香
🗣️ 情景例句
Have you?
你呢？
It is good to be merry at meal.
席间心情愉快是为上策。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；