球形的和规则的球晶形成相对来说很稀少.Both spherical and regular crystalline forms are relatively rare.地球不是球形的并有一倾斜的转轴.The earth is nonspherical and has a tilted axis.地球是由于重力而成为球形的.The earth is round because of gravity....
Thick cobwebs hung in the dusty corners.积有灰尘的角落挂着厚厚的蜘蛛网。Under the coating of dust and cobwebs, he discovered a fine French Louis XVI clock.在一层灰尘和蜘蛛网底下，他发现了一座精美的法国路易十六时期的时钟。The new editor will rid the 18 th - century text...
It is antagonistic abscisic acid in abscission.在脱落过程中生长素与脱落酸有拮抗作用。Abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.Objective : To introduce a way of ep...