Retrosystem
制动系统
🗣️ 情景例句
He says it always brought him good luck on the baseball team.
他说 ，当年他在棒球队时这手套总是带给他好运。
I guess that's Ok. What time should I check in?
我想这正合适。我应该什么时候去办理登机手续呢？
That's very good advice!
这是极好的忠告啊！