Now that the meeting place has been settled on, can we talk about the agenda?

既会议的地址已经定了, 我们能不能商谈议事日程?

After much discussion they settled on the plan originally proposed.

他们讨论了,后确定了原来提出的那计划。

The insect settled on a leaf.

一只昆虫落在一片。

The team identified 42 such molecules and settled on four to track with the nanoparticles: decane, trimethylbenzene, ethylbenzene, and heptanol.

研究小组确认了42种这样的分子，选定其中4种，利用纳米级粒子进行跟踪监测。