The wheels of the first road vehicles were fashioned from crude stone disks.
B
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Urbanrenewalprogramsstrivetoupgradeareasthatarebecomingslums.
The economy of Dallas, Texas, is strong and diversified .
Some cosmetics manufacturers attempt to capture the rose's unmistakable fragrance香味 in soaps and perfumes.
The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.