✅ 同义词
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？