The S is actually pronounced as a Z, 'tainz', so it's not 'tains' - 'tainz'.

上，“S”发为“Z”，“tainz”，所以不是“tain”，而是“tainz”。

And again, captain, tain, tain, captain. Don't try to make a vowel there. Schwa N. Captain.

再一次，船，，，船。不要试图在那里做一个元。 Schwa N. 船。