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- To seal off(gases) by a trap. 用防气阀堵住
- It did not seem to occur to the police to seal off the entrance or order nobody to leave. 警察似乎没有想到应封锁各入口处或命令任何人不得离开。
- The hunters took a fox by a trap. 猎人们设陷阱捉住一只狐狸。
- The enemy made a desperate attempt to seal off the gap through which we had burst. 敌人拼命想堵住我们已经冲开的那个突破口。
- The pain was caused by a trapped nerve. 这疼痛是由于神经受抑制引起的。
- It did not seem tp occur to the police to seal off the entrance or order nobody to leave. 警察似乎没有想到应封锁各入口处或命令任何人不得离开。
- The first form of vitamin A helps to seal off parts of the biology under reconstruction or too damaged to be yet repaired. 维他命A的第一种形式，帮助密封生物体中正在重建的部分或过于受损而无法修复的部分。
- A big oilfield could be formed by a trap with the upper equilibrium structure preserving petroleum and the lower dissipated structure injected with oil and gas continuously. 油气圈闭要同时具备平衡结构和耗散结构，上部为平衡结构，使油气得以保存；下部为耗散结构，使油气不断充注，形成大的油气田。
- After the competition starts, Charlton welcomes a free kick, Ambrose penalty kicks too approaches the goalkeeper to seal off. 比赛开始后，查尔顿迎来一个任意球，安布罗斯主罚太靠近门将被封堵。
- Harry, Neville, and Luna try to seal off all the doors, but Luna is knocked out when five Death Eaters led by Bellatrix burst all at once through the door she was trying to seal. 哈利、纳威和卢娜试着把所有的门封锁起来，但是突然五个食死徒，由贝拉特里克斯带头闯进她正在试图封闭的门，卢娜被击倒了。
- To trap or ensnare,as by a stratagem. 诱捕设计使落入陷井或使入圈套
- A strong beam of light (laser) is used to seal off bleeding blood vessels in the eye and to burn away extra blood vessels that should not have grown there. 激光凝固治疗是用强的激光束使眼底病变部位出血的血管封闭，它能减轻视网膜水肿、改善循环及消灭新生血管，起到阻止病变发展的作用。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- To trap or ensnare, as by a stratagem. 诱捕设计使落入陷井或使入圈套
- Desperate, the local villagers turned to a folk magic practioner who instructed them to seal off the tunnel with large boulders and never open the mine again. 绝望的村民向一位民间法师求助，这位法师指引他们用几块大石把洞口封住并永远不要开封。
- We were seized by a sudden impulse to run. 我们身不由己突然想跑。
- The clause should be set off by a comma. 这个从句应该用逗号隔开。
- The girl went to the museum by a surrey. 那个女孩坐着一辆四轮双座轻便马车去博物馆了。
- We need to seal off this area. 我们得封锁这一带。
- Trapshooting: The sport of shooting at clay targets thrown into the air by a trap. 抛靶射击：对准从抛靶器抛出的飞碟进行射击的竞技运动。
