margu -mag- gismu

x1 is a quantity of/contains/made of mercury/quicksilver; [metaphor: fluid metal; temperature].

See also jinme.

In notes:

jinme
x1 is a quantity of/contains/is made of made of metal of composition including x2.
caflitki
l1 is liquid at room temperature/at standard temperature and pressure, and consists of composition/material l2.