Catalysant
被催化物
🗣️ 情景例句
And nobody misses Philip's famous apple pie.
还有 没人再想到Philip着名的苹果派。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。