n.西印度轻木；轻木筏
Agriculture: bananas, coffee, cacao, rice; cattle; balsa wood; fish. 农业：香蕉，咖啡，可可，大米;牛肉;木材，鱼类。
Simple aluminum foil glued on the balsa, balsa is 4 mm in this case. 简单的铝箔胶合板就balsa ， balsa是四毫米在这种情况下。
Balsa wood strips were added between the flap/speed brake halves, causing them to remain open at a 5 degree angle. 两片副翼之间被放上了轻木条，使它们保持着5度的倾斜。
They have the heft of balsa wood. They are as porous as a sponge，brittle as a coffee mug dropped on the floor ... 它们重如轻木的木材,它们象海绵一样多孔,象咖啡杯一样掉到地上那样易碎。
Balsa wood has it's place in model building but it is not all that useful in period model ships. 巴尔沙木，在制作舰船模型的木材中占有一定的位置，但它并不适合舰船模型的全部。
The duo cut rectangular holes in balsa wood and covered them with glass microscope slides. 这些昆虫也买房子，但跟人类的买法不大一样。
n.香脂；产香油的树；香膏；凤仙花
adj.香膏质的；如香油的
香树脂类
