Material time
[法] 关键时间, 重要时间
🧩 词语组成解析
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
time
[taɪm]
n. 时间;时刻;时代;次;
vt. 为…安排时间;测定…的时间;调准（机械的）速度;拨准（钟、表）的快慢;
vi. 合拍;和谐;打拍子;
adj. 定时的;定期的;[美国英语]分期（付款）的;
int. [体育]时间到，（一场或一局等的）比赛时限，暂停;
🗣️ 情景例句
You and Alexandra
你和Alexandra
When did I say that?
我什么时候说过了？
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。