Cirsodesis
[醫(yī)] 曲張靜脈扎術(shù)
??? 情景例句
That's backbreaking work and may be too much for us.
這可是累人的工作， 我們可能負(fù)荷不了。
Where the knot is loose the string slips.
結(jié)子一松掉，繩子就滑脫。
What was the population of the world in 1950?
1950年世界人口是多少？