🧩 词语组成解析
orthodontic
[[ˌɔ:θə'dɔntik]]
[医] 牙正常的
n. 背带
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
A present!
有礼物！
I'm sure that you need an X-ray, Andy.
我看你需要做一次X光透视。