life preserver

[-prɪˌzɜ:vəɼ]
noun
(US)

1.	[belt] ciambella f di salvataggio

2.	[jacket] giubbotto m salvagente

similar words

life preserver

French

Spanish

German

Complétez la séquence avec la proposition qui convient.

You must whisper … disturb your classmates.
- so as not to
- in order not
- so as to