Invertebrates
n. 无脊椎动物( invertebrate的复数形式 )
🗣️ 情景例句
But there's the old community center on Elm Street.
但是在Elm街有一个旧的社区中心。
Now, I'd be happy to answer your questions.
现在，我乐意答复你们的问题。
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。