Insectpestsareamongtheleadingcausesofcropfailure.
A、expectedMary McCarthy s satires 讽刺文学 are couched in a prose style that has a classic precision.
In 1974 Henry Aaron broke Babe Ruth's monumental lifetime record of 714 home runs.
Some sea urchins海胆 have venomous (toxin) spines
The economy of Dallas, Texas, is strong and diversified .
Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.
