Conical expander
[建] 圆锥扩展器
🧩 词语组成解析
a. 圆锥形的, 圆锥的\\n[计] 圆锥的
expander
[ɪk'spændə]
n. 使增大者，使身体健壮的强身器具;
🗣️ 情景例句
Dear Allen.
亲爱的爱伦。
Do not wash dirty linen in public.
家丑不可外扬。
Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from.The sagas of these people explain that some of them came from Indonesia about 2,000 years ago.
其中一部分是约在2，000年前从印度尼西亚迁来的。