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
You're right.
说得对。
Never too late to repent.
过则勿惮改。
Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles iron solar system.