Canada balsam

Canada balsam

美 　英

• 網絡加拿大香脂；加拿大樹膠；加拿大膠

英漢解釋

n.	1. a thick resin secreted from the bark of the balsam fir

例句

Canada balsam A yellowish resin with similar optical properties to glass, used as a mounting medium for microscope slides.

一種黃色的樹脂，和玻璃具有相似的光學特性，被用來作為顯微鏡載玻片的覆蓋介質。

The two pieces being cemented together with a thin film of Canada balsam .

再將這兩塊晶體用一層加拿大樹膠薄膜粘合在一起。

Canada balsam was substituted by water-soluble acacia, which made the making process more secure.

采用水溶性的阿拉伯膠取代加拿大膠，使試驗過程更加安全。