描述观察与发现的常用表达 — 英语词汇题

Read the observation and complete the sentence with the phrase **it was observed…

A researcher notices that a desert plant’s leaves fold inward whenever the air…

To report a direct observation, rather than a conclusion, Mina wrote, “I ___ t…

完成句子：While ______ (观察) the ants closely, the researcher noticed so…

完成句子：After years of fieldwork in the rainforest, the biologist finally…

完成句子：The scientist spent months ___ (观察) the birds' behaviour befo…