Delle
[医] 小凹(染色红细胞的中央透明区)
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
He's on the phone.
他在打电话。
We're going out to the Summer Palace.
我们打算去颐和园看看。