例句與造句

1. Oracle, backed by Silicon Valley maverick Larry Ellison, made several crew changes since January and had been practicing hard aboard USA-76 the last several weeks on San Francisco Bay.
2. Oracle, backed by Silicon Valley maverick Larry Ellison, made several crew changes since January and had been training hard aboard USA-76 the last several weeks on San Francisco Bay.
3. It's difficult to find hard aboard in a sentence. 用hard aboard造句挺難的