bob up meaning in English
突然出现
Examples
- The periscope bobbed up behind him .
他背后的潜望镜突然冒了出来。 - That fellow bobs up like a cork .
那个人经过患难，东山再起。 - He bobs up like a cork .
他虽然屡经挫折，总是能东山再起。 - The question often bobs up .
那个问题常被提起。 - She only saw a black eclipse bobbing up and down before her eyes .
她只看见一块黑影在她眼前一起一伏。