Dimethyladenine
二甲基腺嘌呤
🗣️ 情景例句
and I can finish wrapping all these gifts.
和我可以把这些礼物包装完。
He who makes no mistakes makes nothing.
不犯错误者一事无成。
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。