Set 82 · Study 1 / 5
Exitto keep somebody or something unharmed
Environmental groups encourage people to reduce plastic use in order to protect oceans from pollution.
Set 82 of Intermediate covers 5 words: protect, receive, sharpen, unlock, replace. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.
to keep somebody or something unharmed
Environmental groups encourage people to reduce plastic use in order to protect oceans from pollution.
to get something that is given to you
Students receive their certificates at the end of the course.
to make something sharper or improve a skill
The chef made the assistants sharpen all the knives that had become blunt in his kitchen.
to open a lock or make something available or understandable
Smart houses can recognize you from your fingerprints, and you can unlock your door even if you do not have the key with you.
to take the place of someone or something or put a new one in its place
The company decided to replace the old computers with newer, more efficient models.