Servomechanism
n. 伺服機構
??? 情景例句
Our toy company makes the most wonderful toys for kids.
我們玩具公司為小孩子們制造最棒的玩具。
We invited two guests to dinner,but they didn't come.
我們邀請了2個客人去吃晚飯，但是他們沒來。
That's a good idea! Why not? Let's go.
好主意！為什么不呢？我們走吧。