The 'seh' is the primary stress so it's going to be higher in pitch.

“seh”是主重音，所以它的音高会更高。

A while ago, I got a " seh" out of him...

刚刚我听到他说二。

But when the 'a' in cat appears before an M sound, which is the next sound, because there is no L, the 'a' turns more into an 'eh', 'seh'.

但是，当“cat”中的“a”出现在下一个音“M”之前时，因为没有“L”音，“a”就变成了“eh”，“seh”。

Tion tion tion, space exploration. We have an ending S in space, and ending S sound, and it links right into the beginning vowel of the next word, EH, space eh, seh, seh, sexploration.

重刑重刑，太空探索。 我们有一个空格结尾的 S 和结尾 S 的声音，它直接链接到下一个单词的开头元音， EH，空格 eh， seh，seh，sexploration。