Yabla video uses of 恰好

位置 wèizhi
恰好 qiàhǎo
zài
河谷 hégǔ
zhōng
江水 jiāngshuǐ
转弯 zhuǎnwān
de
地方 dìfang
It is located at the turning point of the river in the valley.
里面 lǐmiàn
恰好 qiàhǎo
yǒu
两次 liǎngcì
杠杆 gànggǎn
de
原理 yuánlǐ
It actually has a two-lever mechanism inside,