Moodier
a. 喜怒无常的( moody的比较级 ); 忧悒的; （无缘无故）不高兴的; 脾气坏的
🗣️ 情景例句
Yeah, we caught lots of them. Look!
当然 我们抓到不少鱼。看！
Soon up, soon down.
升得高，落得快。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，