近来我没有见到鲍勃。

I haven't seen Bob recently.

youdao

“我没有见到爱敦荒原上的魔术师特伦德尔的儿子，已经有好多年啦！”奶牛场老板痛苦地说。

"Tis years since I went to Conjuror Trendle's son in Egdon - years!" 'said the dairyman bitterly.

youdao

我很遗憾没有见到他们。

I was sorry not to have seen them.

《牛津词典》

I just wanted to point out that although you see these chlorine atoms in these drugs, in fact, I don't think I've ever seen an acid chloride in a final pharmaceutical product or drug that we take, and the reason is because they're so reactive that you wouldn't want to have that in something you digest.

我只是想指出一点,那就是尽管你在这些药物中看到了氯原子，实际上，我想我从来都没有在一个,成品的药用产品或者药物中见到过酰氯，这原因是因为它们太容易反应了,你不会想让它们出现在你要消化的东西中。

麻省理工公开课 - 化学原理课程节选