Unsubstituted
未被取代的
🗣️ 情景例句
The plane's been delayed 10 minutes.
飞机晚点了十分钟。
Please come here.
请来这里。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。