Spiders spin webs.
Kumo wa ami o haru.
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
net; netting; web
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
to stick; to paste; to affix; to link (e.g. in WWW forums); to stretch; to spread; to strain; to tighten; to put up (tent); to form (e.g. ice on a pond); to fill; to swell; to stick out; to put; to slap; to be expensive; to become one tile away from completion