这些濒临灭绝的、性情温顺的大型动物属于高度群居的动物。These endangered gentle giants are highly social animals.雌兽与幼崽显然受益于群居.Females and cubs clearly derive some benefit from living in groups.这些动物非常喜欢群居.These animals are highly gregarious....
Agronomists and farmers use the pictures to study crops.农学家和农民利用图片来研究庄稼.Agronomists have made many good suggestions.农业科学家提出了很多好意见.The company has 2 technicians and 8 agronomists.公司现有技师2人,技术人员8人....
这个浴室使用抽风扇通风。The bathroom is ventilated by means of an extractor fan.风扇正吹着.The fan was blowing.必须用巨大的风扇来冷却混凝土地面，将其温度控制在150度以下。Huge fans will have to cool the concrete floor to keep it below 150 degrees....