To throw out lava, ash, gas, or water violently

• To burst forth from the earth under pressure

猛烈喷出熔岩、灰烬、气体或水

• 在压力下从地表突然喷发

To burst out suddenly, especially of noise, emotion, or activity

• To break out abruptly, as trouble or conflict

突然爆发，尤指声音、情绪或活动

• 突然发生，如冲突或骚乱

Of the skin: to break out in a rash or spots

• To appear suddenly on the skin

皮肤：出疹或长出疱疹、粉刺等

• 在皮肤上突然出现

Of a tooth: to emerge through the gum

• To come into place in the mouth

牙齿：穿过牙龈长出

• 在口腔中露出位置