减速 (jiǎn sù) — to slow down, to decelerate

Definizione

减速 means to slow down or decelerate (vehicles, machines, motion). Used for deliberate reduction of speed, not as a casual 'slow down' to a person.

verb

to slow downto decelerate

，减速。
Qián miàn yǒu hóng dēng, qǐng jiǎn sù.
There's a red light ahead, please slow down.
，。
Sī jī jiǎn le yí xià sù, ràng xíng rén xiān guò.
The driver slowed down a bit to let pedestrians cross first.
减速。
Fēi jī zài jiàng luò qián xū yào jiǎn sù.
The plane needs to decelerate before landing.

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