grave crime

• 严重犯罪

grave crime的用法和样例：

例句

1. The unlawful possession of drugs is a serious crime.
   非法拥有毒品是严重犯罪行为。
2. Most types of serious crime increased from 363.5 in every one hundred thousand people in 1970 to 535.5 in l979.
   大多数严重犯罪的发案率从一九七零年的每十万人中有三百六十三点五人次增加到一九七九年的五百三十五点五人次。