Nereistoxin
沙蚕毒素
🗣️ 情景例句
And while you're here,
趁你现在在这，
A common danger causes common action.
同仇敌忾。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。