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Sentence analysis
16Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
海域
sea area; watersnoun
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
強い
strong; powerful; tough; good at; skilled; knowledgeable; resistant; durable; able to handle; firm; solid; rigid; intense; fierce; high; dependable; trustworthyi-adjective
底流
undercurrent; bottom currentnoun, suru verb
が
subject markergrammar
ある
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary
ので、
because; sincegrammar
泳ぐ
swim; struggle through a crowd; push one's way; get along in life; make one's way through the world; totter; lose one's balancegodan verb
とき
time; hour; moment; occasion; case; when; chance; opportunity; season; the times; the age; the day; tense-> 時noun, adverb
は
topic markergrammar
注意
attention; notice; heed; care; caution; precaution; advice; warning; reminder; admonishment; reprimand; telling-offnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar