Centcal summation
[医] 中枢[性]总和
🧩 词语组成解析
🗣️ 情景例句
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
A penny saved is a penny gained.
省一文是一文。
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。