例句與造句

1. It's an obvious fact that any person can check on ground,"
2. We continue to accuse Tanzania of hosting the rebels, its an obvious fact that any person can check on ground,
3. The legislation will also put thousands of air marshals on commercial flights, require background checks on ground-support personnel, and tighten security at checkpoints and airport perimeters.
4. It's difficult to find check on ground in a sentence. 用check on ground造句挺難的