Hff
abbr. horizontal falling film 水平降落液膜
🗣️ 情景例句
We cannot leave this problem unattended.
这一问题我们不能置之不理。
We have every reason to cancel the contract because you've failed to fulfil your part of it.
我们完全有理由取消合同，因为你们没有完成应遵守的合同内容，履行合同。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，