Polypneustic
多孔气门的
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
Let's think carefully, I replied.
“让我们仔细想一想，”我答道。