Heterochain
(=heterogeneous chain)杂链
🗣️ 情景例句
And this is my mother, Ellen Stewart.
这是我妈妈， Ellen Stewart。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
Hi, Li Lei! Am I late?
你好，李垒！我迟到了没有？