1. The gang commit three armed holdup on the same day. 犯罪团伙在同一天进行了三次武装抢劫。
2. Gas holdup and liquid circulation in an internal airlift loop reactor were investigated. 研究了气升式内循环反应器内的气含率与液体循环。
3. Exactly knowing the quantity of nuclear material holdup is very important for nuclear material accountability and critical safety. 了解内部核材料滞留量，对核材料管理与衡算和核材料临界安全至关重要。
英英解释
n.
1. robbery at gunpoint
2. the act of delaying; inactivity resulting in something being put off until a later time
