Closed impeller
[建] 隐闭叶轮
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
Hello.
哈喽 。
The voice is not distinct.
声音不清楚。
In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kituro.
1948年他去了刚果的基伍湖，对一座后来被他命名为基图罗的新火山进行观察。