私はテニス部員です。

私はテニス部員です。

I'm in the tennis club.

私(わたし)はテニス部員(ぶいん)です。

Watashi wa tenisu buin desu.

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

テニス (テニス)

tennis

部員 (ぶいん)

staff; member (club, society, etc.)

です (です)

be; is

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: ブ、 -べ

Meanings: section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine

Reading: イン

Meanings: employee, member, number, the one in charge