semicylindrical
1. semicylindrical reflector
半圆柱形反射器
2. The underground buildings are semicylindrical in design.
这种地下建筑物设计成半圆筒形的。
3. Then the semicylindrical door opened in an outrushing cloud of icy gas and billowing Protoculture brimstone.
随后,半柱面形舱门打开,急速喷出一团带冰的冷气,硫磺一般的史前文化能量上下翻腾。