Some night-time tornadoes have been observed because of lightning strikes nearby.

VOA: special.2011.04.19

Many commentators have observed that The change in name accompanies a change in character, a change of essence in Israel.

许多评论家发现,名字的改变也伴随着性格的改变，以色列本质的改变。

耶鲁公开课 - 旧约导论课程节选

So purification offerings are brought ; after the genital discharge has healed and passed; after the appropriate ablutions have been observed and the person is essentially pure.

因此净化祭通常是在,生殖器排放之后进行的;,在适当的沐浴之后,人已经变得完全纯洁了可以。

耶鲁公开课 - 旧约导论课程节选

Have you ever observed that birds of a feather flock together?

VOA: special.2010.06.13

So even if we grant that what Socrates meant by invisible was can not be observed, we still have to say with Simmias , you know, fourth is just not true.

所以即使我们认同苏格拉底,指的无形是不能被感知，我们仍旧站在西米亚斯这边，第四点是不正确的。

耶鲁公开课 - 死亡课程节选

Tornadoes have been observed in many parts of the world.

VOA: special.2010.05.11

Tornadoes have been observed on every continent except Antarctica.

VOA: special.2009.06.09