Upgradeable
可升级的
✅ 同义词
🗣️ 情景例句
You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官（声带、舌、口、鼻腔等）的肌肉，以便发出陌生的（另外一种语言）声音。
There is a small choice in rotten apples.
朽木不可雕。
I love travelling in the country, but I don't like losing my way.
我喜欢在乡间旅行，但却不愿意迷路。