English Dictionary

tramline

/ˈtɹæmlaɪn/

noun

(rail transport) The rails that a tram runs on. / (tennis, Britain) Either of the two pairs of sidelines marked on a tennis court which mark the outside of the singles and doubles playing areas.

The tramline in the city is very convenient for commuting.

意味（1）

(rail transport) The rails that a tram runs on.

意味（2）

(tennis, Britain) Either of the two pairs of sidelines marked on a tennis court which mark the outside of the singles and doubles playing areas.

意味（3）

(film) A scratch on a film, usually vertical, that extends through multiple frames.

The tramline is therefore much less obvious on the screen. Also, if the scratch is on the base (i.e., on the back of the film), then it will not be in sharp focus.