Rach
abbr. 随机接入信道（Random Access Channel）
🗣️ 情景例句
2,3,4 ... now switch. ... 2 3 4
……现在 左右交替……
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
On the other hand, your stomach would turn at the idea of frying potatoes in animal fat -- the normally accepted practice in many northern countries.
另一方面，你一想到动物油炸土豆就会反胃，但这在北方许多国家却是一种普通的烹任方法。