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
Nothing available.
没有空房间了。
He is most noticeable for his southern accent.
他有很浓重的南方口音。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.