Pitocinase
(后叶)催产素酶
🗣️ 情景例句
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
If we had been more careful, we would be getting much better results now.
如果我们更为细心的话，成绩会更好。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。