P. t. o.
[医] 牛结核菌素
🧩 词语组成解析
[医] 颞的
[医] O型, 菌体型, 不动型(细菌)
🗣️ 情景例句
He couldn't take time off to come to New York with me.
他走不开 没办法和我一起来纽约。
His heart swelled with gratitude to her.
他心中充满着对她的感激之情。
What are you doing?
你在干什么？