Biophenicol
氯霉素
🗣️ 情景例句
Now, tell us something about your trip.
好，跟我们说说你的旅行。
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。