Azimethylene
[化] 重氮甲烷
🗣️ 情景例句
Will a facial mask help my complexion?
面膜能帮我改善我的面部皮肤状态吗？
Would anyone like seconds?
谁要换其他的饮料？
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？