Xi
n. 希腊字母的第14个字母；粒子（等于xi particle）
🗣️ 情景例句
Generally speaking, we hold all disputes should be settled through friendly negatiations.
一般来说，我们主张所有争论通过友好协商解决。
Nothing comes from (or of) nothing.
无风不起浪。
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。