突然胃に激痛を感じた。

Meaning
suddenly i felt severe pain in my stomach

Vocab used in this sentence

突然
sudden, suddenly, abrupt, abruptly, unexpected, unexpectedly, all at once
stomach, abdomen, gastric, maw
in, to, on, at, into, upon
激痛
sharp pain, pang, acute pain, intense pain, severe pain, excruciating pain
o, the, to, wo
感じ
feel, feeling, sense, touch, mood, sensed, impression, sensation
the, was, ta, da, other