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陣痛, じんつう
1. labour pains, labor pains, birth pains, contractions
分娩阵痛,分娩疼痛,宫缩阵痛
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おきに, 置きに
1. every ..., every other ..., at intervals of ..., with ... in between, ... apart
tbd
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd