a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

a wave

to see, to watch, to observe, to look at something / to look over, to examine, to judge / to take care of, to look after, to keep an eye on somebody

disgraceful, shameful, indecent / shabby, unsightly

(embryology) blastula

worship

to worship

yeah, sure (interjection of understanding and mild dismissal)

(childish) crawling of a baby

(childish, of a baby) to crawl