Beefs
pl. 牛肉, 体力, 肌肉
🗣️ 情景例句
He has the advantage of a good education.
他有受过良好教育的优势。
Be careful.
小心。
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。