Serum hepatitis
血清性肝炎, 血清肝炎
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
hepatitis
[ˌhepə'taitis]
n. 肝炎;
🗣️ 情景例句
There are no dues.
不要会费。
A great ship asks deep waters.
大船要走深水，蛟龙要在海中游。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。