Tetrone
四酮
🗣️ 情景例句
He jumps from one job to another.
他经常换工作。
She looks so pale, she must be ill.
她脸色很苍白，一定病了。
We did as he told us and we won the first place in the league at last!
我们照他叮嘱的做了，因而我们最终获得了联赛的冠军！