“吮吸”造句

婴儿吮吸时,会有更多的奶水流出来。
As the baby suckles, a further supply of milk is generated.

那个孩子正在吮吸着空奶瓶.
The baby was sucking away at the empty feeding - bottle.

婴儿正在吮吸母乳.
The baby was sucking its mother's breast.

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