例句與造句

1. These proposals did not meet universal approval in the scientific community, being opposed by transatlantic cable and used to time a signal ball in Boston.
2. She instinctively used her left arm to signal balls in or out, as if she was playing another practice match at home instead of first-round opponent Asa Carlsson in the Acura Classic.
3. It's difficult to find signal ball in a sentence. 用signal ball造句挺難的