"an ironclad contract"
"a watertight alibi"
"a bulletproof argument"
1.不透水的;水密的
Something that iswatertight does not allow water to pass through it, for example because it is tightly sealed.
e.g. The flask is completelywatertight, even when laid on its side...
即使平放，这个真空水杯也是滴水不漏。
e.g. The batteries are safely enclosed in awatertight compartment.
电池被安全地置于一个防水的隔间里。
2.(事实、论点或协议)严密的，无懈可击的
Awatertight case, argument, or agreement is one that has been so carefully put together that nobody will be able to find a fault in it.
e.g. The police had awatertight case. They even got his fingerprints from that glass cabinet.
警方找到了确凿的证据。他们甚至在那个玻璃橱柜上提取到了他的指纹。
e.g. ...a legallywatertight agreement.
严密规范的协议
1. 防水：加强的肩部、臀部、肘部和袖口提供了出色的全天候性能,2个大袋和1个胸前拉链口袋,方便的内袋可以存放小件物品,单手操作的收口线,口袋和前襟拉链方便使用,拉开迅速,热压聚酯防水(watertight)拉链,热压DryCuffsTM干袖口(容易收紧并且柔软),
2. 不漏水的：Watchpoint 检测点 |watertight 不漏水的 | watt 瓦
3.
3. 防水的：waterproofness 不透水性 |watertight 防水的 | waugh hoist 柱架式绞车
