Retrosystem
制动系统
🗣️ 情景例句
I remember.
我记起来了。
Don't worry. You'll get used to it in no time.
别担心，你很快就会习惯的。
On the B.B.C. you can hear the clock when it is actually striking because microphones are connected to the clock tower.
当大钟打点的时候，你可以从英国广播公司的广播中听到，因为钟塔上接了麦克风。