Antimatter
n. 反物质\\n[化] 反物质
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
Once you begin，you must continue.
一旦开始，你就得继续。