Pentifylline

[化] 噴替茶堿; 己可可堿; 1-己基可可堿

??? 情景例句

What a job! Good work, Richard!
你拍得很棒, 好作品, Richard!
You were late again this morning. I think you had better start being on time.
你早晨又遲到了,我想你最好開始守時。[托福]
A man was walking through a wood and he came across a woodcutter.
一個人正步行穿過一片樹林,他遇見一個伐木工人。
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