btw
written abbreviation for by the way: used, for example in emails, when you are writing something that relates to the subject you are discussing, but is not the main point of the discussion:
I hope you enjoyed your holiday in Florida - btw, can you recommend a good hotel?
etc.
UK /ɪtˈset.ər.ə/ US /ˈset̬.ɚ.ər.ə/
abbreviation for et cetera: and other similar things. It is used to avoid giving a complete list:
We saw lots of lions, tigers, elephants, etc.
更多範例
We have a constant battle against garden pests such as slugs, snails, greenfly, blackfly, etc.
Pigment is mixed into oil, glue, egg, etc. to make different types of paint.
We can always see sparrows, robins, blackbirds and starlings, etc. in our garden, and often bluetits and finches.
They ask for your personal details - age, sex, nationality, etc.
It's very bad for you because it's full of salt and fat, etc.
[WITH OBJECT]
Have a spoken conversation with (someone) over the Internet using the software application Skype, typically also viewing by webcam.
‘my parents want to know when is a good time to Skype me’
no object ‘the point was to chat and Skype with co-workers and friends’