Paraserum reaction
[醫] 副血清反應
?? 詞語組成解析
??? 情景例句
Near the Exit sign.
就在出口標志附近。
She always feels comfortable when surrounded by her family.
她被家人圍繞時，常感到快慰。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有時需要花費整整8天時間來搭起繩梯，建立供應基地，然后才能到一個很深的洞穴里。