change course
改变路线, 改变航向
例句与用法：
Can you change a five-pound note?
你能换开五英镑的票子吗？
Her expression changed when she heard the news.
她听到这一消息时表情就变了。
In autumn the leaves change from green to brown.
秋天树叶由绿色变成黄褐色。
How much have you got in change?
你有多少零钱？
If we are to avoid defeat we need a change of leadership.
我们要避免失败的话，就要换掉领导人。
词形变化：
动词过去式: changed | 动词过去分词: changed | 动词现在分词: changing | 动词第三人称单数: changes |