Heliumshield
氦保護(hù)
??? 情景例句
I understand, Richard.
我懂了 ，Richard。
Do you usually learn French after school?
你通常在放學(xué)后學(xué)法文嗎？
The skins were used for making tents and water containers.
還可以用野牛皮制作帳蓬和裝水的容器。