地面は一面の雪に覆われていた。

ground; earth's surface

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

face; mask; face guard; (in kendo) striking the head; surface (esp. a geometrical surface); page; aspect; facet; side; chamfer; counter for broad, flat objects, levels or stages, e.g. in a video game

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

snow

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to cover; to hide; to conceal; to wrap; to disguise