Upkeep and improvements
[法] 保养, 修缮费
🧩 词语组成解析
upkeep
['ʌpkip]
n. 保养，维修;维持;保养费，维修费;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
n. 增加或修改( improvement的复数形式 ); 改进; 改善; 改良
🗣️ 情景例句
What do you think?
你觉得呢？
Let's leave the matter open.
这件事先上、悬着吧。
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。