observe the behaviour of birds
观察鸟类的行为
Observe carefully if any change occurs when doing experiments in the lab.
在实验室里做实验时要仔细观察是否会发生变化。
In homes with cats and dogs living peacefully, researchers observed a surprising behaviour.
在猫和狗和平共处的家庭中,研究者们观察到一个出人意料的行为。
observe the law
遵守法律
observe the local customs
遵循当地习俗
Rules of online voting should be worked out and strictly observed.
应该制定网络投票的规则并严格遵守。
Do you observe Christmas in your country?
你们国家庆祝圣诞节吗?
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| 相关单词 | observed, observer, observes, observing |