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1·The knife had penetrated his chest.

刀子刺入了他的胸膛。《牛津词典》

2·They had penetrated airport security.

他们已打入机场保安组织。《牛津词典》

3·The flashlights barely penetrated the gloom.

手电筒勉强照见那幽暗处。《牛津词典》

4·I was at the door before his words penetrated.

我走到门口才听懂了他说的话。《牛津词典》

5·The troops had penetrated deep into enemy lines.

部队已经深入敌军防线。《牛津词典》

6·In the days following, samples of solid gypsum were repeatedly brought on deck as drilling operations penetrated the seafloor.

在接下来的几天里，随着钻探作业深入海底，固体石膏样品被不断地被带上甲板。

7·These structures had been detected years earlier by echo-sounding instruments, but they had never been penetrated in the course of drilling.

这些结构在早些年曾被回声探测器探测到，但是它们从未被钻探过。

8·Knowledge of iron making penetrated into the forest and savannahs of West Africa at roughly the same time that iron making was reaching Europe.

大约在制铁技术传到欧洲的同时，西非的森林和大草原上也开始有了制铁的知识。

9·Certain butterflies move into spots of sunlight that have penetrated to the forest floor and display by opening and closing their beautifully patterned wings in the bright spotlights.

某些蝴蝶飞进阳光照射到的森林地面上，在明亮的阳光下煽动翅膀以展示自己的美丽。

10·The arrow penetrated through the centre of target.

箭穿透靶心。《新英汉大辞典》

(1)penetrate into刺入；透入

(1)penetrate through穿透