vt. 改变,变更;交换,替换;兑换;换衣服(床单);
vi. 改变,转变;交换,互换;换衣,更衣;
n. 变化,改变;交换,交替;零钱,找头;代替物;
🗣️ 情景例句
We were very young.
我们那时很年轻。
What do you do?
你是做什么的?
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.