Henna comes from the leaves of a shrub, Lawsonia inermis, that have been dried, ground to a powder, and mixed with water.
指甲花染料来自一种灌木丛，当灌木丛已经干枯后，在地面上变成一种粉末，再用水混合。
Perhaps most disturbing is that the pipeline for new antimicrobial medicines to replace those that have been lost has nearly dried up.
最令人担心的情况也许是：研制新型抗菌药以取代已失去的药物的管道几乎已经枯竭。
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