Ventil
n. 活瓣
🗣️ 情景例句
Sorry, but she is out for lunch right now.
抱歉，她现在出去吃午饭了。
What is your guess about the outcome of this meeting?
你认为这项会议的结果将会如何呢？
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。