broke one's back

Verb

simple past tense of break one's back

Japanese Meaning

「break one's back」の単純過去形、すなわち過去の動作を表す活用形です。

One of the volunteers broke one's back during the exercise and required immediate medical attention.

ボランティアの一人が訓練中に背中を骨折し、すぐに医療処置が必要になった。

Sense（1）

simple past tense of break one's back