Sandbluestem
n. [植]美洲须芒草
🗣️ 情景例句
Thanks. Thanks a lot. Good-bye.
谢谢。非常感谢。再见。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
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。