Alleghenian
a. 阿莱干尼生物地理带的；Allegheny的变形
🗣️ 情景例句
Oh, you really had a bad day.
哦 你们真的没玩好。
Don't let his criticisms bother you.
别因为他批评你而感到烦恼。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。