Paramenstruum
n. [医]经前及行经初期(指行经前4天和行经最初4天)
🗣️ 情景例句
Mary and Arnold are going steady.
玛丽和阿诺德正式成为情侣。
I can't recall how long it's been.
我不能记起多长时间了。
'You should have declared that.
“你刚才应该申报，