Piano hinge
钢琴铰链；琴式铰链
🧩 词语组成解析
hinge
[hɪndʒ]
n. 铰链，折叶;关键，转折点;枢要，中枢;
vt.& vi. 用铰链连接;依…为转移;给…安装铰链;（门等）装有蝶铰;
vi. 依…而转移;
🗣️ 情景例句
I guess they're trying to set up an appointment for me.
我猜他们正设法给我安排晤谈。
A hot bath makes all the difference in the morning.
上午洗个热水澡能让人精神振奋。
A friendly waiter taught me a few words of Italian.
一位好客的服务员教了我几句意大利语，