例句與造句

1. Since the 1980s many oars have been adjustable in length.
2. They are additionally adjustable in length by means of sliding metal friction fasteners.
3. The wings themselves, consisting of " delicate metal interleavings ", are adjustable in length through a " retractor bar " or manually.
4. It's difficult to find adjustable in length in a sentence. 用adjustable in length造句挺難的