未知题型
斑蝥(学名:Mylabris phalerata)是一种昆虫,属于芫菁科。在中医中,斑蝥被用作药材,具有破血行气、消积止......
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只有弱酸及其共轭碱才能组成缓冲溶液。
判断题只有弱酸及其共轭碱才能组成缓冲溶液。
猜谜语。多看无滋味(成语一)
未知题型猜谜语。多看无滋味(成语一)
The author listens to “Ode to Joy” when he feels very _...
未知题型The author listens to “Ode to Joy” when he feels very ____________, for it can help to pull him out of that mood.