Alligators still exist in some of the dank 潮湿 swamps and bayous小海湾 of Alabama's coastal regions.

When carbon is added to iron in the proper proportions , the result is steel.

In literature, caricatures讽刺画 usually contain verbal exaggeration through which the writer achieves comic and often satiric 讽刺effects.

In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.

With lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野