Segmentally welded cylinder
[化] 瓦片式圆筒
🧩 词语组成解析
分段地
v. 焊接；使结合（weld的过去分词）
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
I know the boy whose father is a pilot.
我知道那个男孩的父亲是飞行员。
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。