🧩 词语组成解析
[医] 蝰属
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
No wisdom like silence.
智者寡言。
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。