automatic transmission
US /ˌɑː.t̬əˈmæt.ɪk trænzˈmɪʃ.ən/
UK /ˌɑː.t̬əˈmæt.ɪk trænzˈmɪʃ.ən/

1.
自動變速器, 自動擋
a system in a vehicle that changes gear automatically, rather than by the driver having to change gear manually
:
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Most new cars come with an automatic transmission.
大多數新車都配備了自動變速器。
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Driving with an automatic transmission is often considered easier for beginners.
對於初學者來說,駕駛自動變速器的汽車通常被認為更容易。