| 释义 |
seal verb ADVERB | PREPOSITION ADVERBcarefully, properly, tightly, well 仔细密封；妥善密封；牢牢封住；封严实◆The containers must be carefully sealed so that no air can get in.这些容器必须仔细密封，以防空气进入。completely 完全密封◆The unit is completely sealed.这个装置处于完全密封状态。virtually 实际上密封effectively 有效地密封hermetically 真空密封◆a hermetically sealed container真空密封的容器away, in, off, up 封闭；封闭在里面；封锁；封上◆Police sealed off the area.警察封锁了该地区。PREPOSITIONfrom 使与⋯隔绝◆The nuclear plant would be effectively sealed off from the world.该核电厂将与外界完全隔离开。with 用⋯密封◆He sealed the bag tightly with tape.他用胶带将袋子牢牢封住。 |