一、句子——英文（E）
1、These last three months are a great time to learn hand expression.
2、The hormonal wall that held back milk production comes down when your placenta is delivered.
3、Even if you don't want to breastfeed, your body's going to do everything it can to feed your baby.
4、Your gradual increase in milk gives your baby time to practice everything from breathing to digesting.
5、Your milk production will start to work on a "supply and demand" system.
6、The amount of new milk created depends on how much has been taken out.
7、Each breast is calibrated independently.
8、If you don't remove much milk in the first few weeks, it will be harder to make more milk later on.
9、The system is built to work, even with a rough start, but getting started well helps a lot.
10、It's made more rapidly when the breast is less full.
二、句子——中文（C）
1、最后三个月是学习手挤奶的最佳时间。
2、阻挡生产乳汁的激素的闸门在胎盘娩出后就打开了。
3、即使你根本不想哺乳，你的身体依然会竭尽所能去喂养宝宝。
4、乳汁的缓慢增加让宝宝有时间练习从呼吸到消化的所有机能。
5、你的乳汁产生开始遵循供求规律。
6、生产多少新乳汁，取决于被吃掉的乳汁数量。
7、每个乳房都会单独定量。
8、如果最初几周被吃走的乳汁不太多，以后再想增加奶量就比较难了。
9、这套系统为运转而生，即便没有一个好开始，系统也会照样运转，但好的开始助益良多。
10、乳房越是不满，乳汁生产的就越快。
三、表达——英中（EC）
1、hand expression——手挤奶
2、supply and demand——供求
3、hold back——阻挡
4、be built to do——为……而建，为……而生
四、表达——中英（CE）
1、手挤奶——hand expression
2、供求——supply and demand
3、阻挡——hold back
4、为……而建，为……而生——be built to do
五、句子——中文（C）
1、最后三个月是学习手挤奶的最佳时间。
2、阻挡生产乳汁的激素的闸门在胎盘娩出后就打开了。
3、即使你根本不想哺乳，你的身体依然会竭尽所能去喂养宝宝。
4、乳汁的缓慢增加让宝宝有时间练习从呼吸到消化的所有机能。
5、你的乳汁产生开始遵循供求规律。
6、生产多少新乳汁，取决于被吃掉的乳汁数量。
7、每个乳房都会单独定量。
8、如果最初几周被吃走的乳汁不太多，以后再想增加奶量就比较难了。
9、这套系统为运转而生，即便没有一个好开始，系统也会照样运转，但好的开始助益良多。
10、乳房越是不满，乳汁生产的就越快。
六、句子——英文（E）
1、These last three months are a great time to learn hand expression.
2、The hormonal wall that held back milk production comes down when your placenta is delivered.
3、Even if you don't want to breastfeed, your body's going to do everything it can to feed your baby.
4、Your gradual increase in milk gives your baby time to practice everything from breathing to digesting.
5、Your milk production will start to work on a "supply and demand" system.
6、The amount of new milk created depends on how much has been taken out.
7、Each breast is calibrated independently.
8、If you don't remove much milk in the first few weeks, it will be harder to make more milk later on.
9、The system is built to work, even with a rough start, but getting started well helps a lot.
10、It's made more rapidly when the breast is less full.
