英语词汇drop-hole怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.
科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。
2
Then maybe we should drop it down a deep hole, or destroy it.
那么我们应当挖个深坑埋了它，或者毁掉它。
3
When the library is closed, you can drop books in through the special hole in the door.
图书馆关门后，你可以把书从门上专设的小口中投进去。

单词	drop-hole
释义	drop-hole 简明释义 n.落砂孔网络释义短语 1 drop-off hole angle 降斜 2 Dried Liemd Hole Drop 灰皮干皮 3 drop man hole 跃水井双语例句 1 Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units. 科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。 2 Then maybe we should drop it down a deep hole, or destroy it. 那么我们应当挖个深坑埋了它，或者毁掉它。 3 When the library is closed, you can drop books in through the special hole in the door. 图书馆关门后，你可以把书从门上专设的小口中投进去。
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