be accustomed to reading

have an eye on

(meteorology) psychrometer

to put on (a hat, gloves, etc.) / to wear (a necklace, glasses, etc.) / to carry (a sword, gun, etc.)

to let soak; to immerse / (specifically) to pickle

horizon on water / a horizontal or level line (perpendicular to the force of gravity)

horizon on land

to be careful about ~

be careful, watch out / take care

(geometry, engineering) extended line (usually as an auxiliary line) / extension of a traffic route (e.g. highway or railway line) / (figuratively) extension or result developed from an existing thing