例句與造句

1. If it does this could be a problem , since we rely on the stability of the aerogel tiles to be able to reconstruct trajectories , and thus distinguish betwen interstellar dust and interplanetary dust
   如果出現(xiàn)這種情況那將是個問題，因為我們依靠凝膠塊的穩(wěn)固性來重建彈道，并由此區(qū)分星際塵埃和太陽系內(nèi)塵埃。
2. It's difficult to find interplanetary dust in a sentence. 用interplanetary dust造句挺難的