Dtn1m250

[医] 标准白喉毒素单位(指对250克重的豚鼠)

🗣️ 情景例句

There's a lot of good things about suburban living.
郊区生活是有许多优点。
What did the doctor say?
医生怎么说?
Yes, sir?
什么事,先生?
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🔤 更多 D 开头的单词

desiccate ['desikeit]
disagreeable ,dɪsə'ɡriəbl
全部 D 开头单词 ›