Serogan
[化] 血清促性腺激素
🗣️ 情景例句
What do you often do in your spare time?
你在业余时间都干些啥？
One today is worth two tomorrows.
今天一天抵明天两天。
One evening, however, the lamb was missing.
可是，一天晚上，那只小羔羊失踪了。