Photoperiod(ism)
[化] 光周期性
🗣️ 情景例句
my sister and her husband and their daughter.
我妹妹Susan和她丈夫以及他们的女儿。
I got your back.
放心！
Topsail is a famous little boat.
“涛波赛”号是艘有名的小艇，