1.The baby was sucking milk from its mother.

1.婴儿吮吸母亲的奶汁。

2.The baby was sucking its mother's breast.

2.婴儿正吮吸母乳。

3.She is always sucking up to her teacher.

3.她是巴结师。

4.The old man is sucking at a cigar.

4.抽烟斗。

5.The baby was sucking away at the empty feeding-bottle.

5.那个孩子正吮吸着空奶瓶。

6.Simple Application: How to distinguish the harmful characters of chewing mouthpart and sucking mouthparts?

6.田间如何鉴别咀嚼口器和刺吸口器的为害特征？

7.The borer pest (longicorn, termite) and the sucking mouthparts, such as scale insect and longicorn, occupies the dominant species.

7.危害严重的有黑土白蚁、白蚁、柑桔红蜘蛛、灰白蚕蛾等4种。

8.The main function of vacuum sucking sewage truck is to suck and transport the dejecta and sullage and carpolite and the other liquid mixing big suspend impurity for Environment Protection in city.

8.我公司生产的真空吸污车系列主要功能是为城乡环卫部门抽吸和运送粪便、淤泥、石子及其它混有较悬浮杂物的液体。