Heliumshield
氦保护
🗣️ 情景例句
That's for sure.
那是当然。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
Even seemingly insignificant remains can shed interesting light on the history of early man.
即使看起来微不足道的遗物，也可能揭示人类早期历史的一些有趣的内容。