例句與造句

1. Therefore, O'Brien, as a physicist on staff, developed a carbon arcs with cored carbons that very closely matched the solar spectrum.
2. The second plunge did the damage, opening a crack in the main crossbeam of Nomex-cored carbon fiber that bridges the boat's twin hulls.
3. Surf boats come in a variety of materials ranging from tough but heavy plastics to super light, super stiff but fragile foam cored carbon fiber.
4. It's difficult to find core carbon in a sentence. 用core carbon造句挺難的