用“impractically”造句大全，impractically造句

Scientists now use them to measure the climate in areas that would have been impractically small when sensors were more costly-say under individual plants rather than in a thicket.

Until now, most approaches relied on impractically scarce materials like iridium as a catalyst that triggers the reaction.

A scroll is of course one long piece of paper or some other writing material that is impractically shaped for keeping flat.