Dichograptidae
均分笔石科; 均分笔石科
🗣️ 情景例句
Oh!
噢！
Would you please tell Mr. Cooper that I'm here.
请您告诉库珀先生我在这里。
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。