Operational Guidelines: School Official Cites Use of the key direction of movement through the X-Key to open a shield volca, the key active shield Z, Key box shooting.

操作指南：方向键移动，X键开启保护罩穿过火山口等，Z键收起保护罩时，空格键射击。

youdao

Are the Martian shield volcanoes still active?

火星上的盾状火山还处于活跃期吗？

youdao

Nyamuragira is a shield volcano and one of Africa's most active.

volcano是一个盾状的火山，也是非洲最活跃的火山之一。

youdao

As more of the big players offer active ETFs, the need for a front-running shield is growing.

FORBES: How to Bulletproof Active ETFs