challengeable例句：
This topic is a challengeable work in biomimetic chemistry area.
此課題的研究一直是仿生化學(xué)研究領(lǐng)域中一個(gè)具有挑戰(zhàn)性的`課題。
Though they're challengeable and great to one's mind,they're discussing.
雖然它們富有挑戰(zhàn)性，對(duì)人的心智成長很有利，但是它們還是很難纏的。
Electric load forecasting is an important and challengeable work.
電力負(fù)荷預(yù)測是一項(xiàng)重要和具有挑戰(zhàn)性的工作。
Power System Voltage Stability is a challengeable problem.
電力系統(tǒng)電壓穩(wěn)定性是一個(gè)具有挑戰(zhàn)性的問題。