abbr. 声控制与遥测系统(=Acoustic Control and Telemetry System)
He always acts the martyr when he has to do the housework.
The excesses (ie acts of cruelty) committed by the occupying troops will never be forgotten.
The nutrient in the soil acts as a stimulus to growth/to make the plants grow.
I really don't know what kind of man he really is; on one occasion, he is normal, and on another, he acts like a lunatic.
This medicine acts on the heart.
Murder and stealing are criminal acts.
Antitoxin is substance that acts against a poisonous substance and prevents it from having a harmful effect.
The nutrient in the soil acts as a stimulus to growth.