“30”造句

目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。
30 percent of reptiles, birds, and fish are currently threatened with extinction.

去年，这个集团的纯利润率为30%。
The group had a net profit margin of 30% last year.

真空包装的火腿片应在食用前30分钟把包装除去。
Vacuum-packed ham slices should be unwrapped 30 minutes before serving.

• #30