Animals use a whole rang of acoustic, visual, and chemical signals in their systems of communication.动物利用各种各样的听觉、视觉和化学信号来进行交流。She was backed by acoustic guitar, bass and congas.原声吉他、贝斯和康茄鼓为她伴奏。The disturbance is sound wa...
可以把你的信息或标志印在信纸上。Stationery can be imprinted with your message or logo.所有的指示标志和公告都被译成了英语和西班牙语。All the signs and announcements were rendered in English and Spanish.她在墙上贴满了十二星座的标志。She covered the walls with the signs of the...
Lithium has some chemical behavior that resembles the chemistry of Mg.锂的某些化学行为类似于Mg的.The salt lithium chloride is hygroscopic.氯化锂盐具有吸湿性的.Hydrazine perchlorate and lithium perchlorate form two eutectics.过氯酸肼和过氯酸锂形成两种低共熔物....