| 释义 |
Propolis is a hard resinous substance made by bees from the juices of plants.蜂胶是蜜蜂用植物汁液合成的像树脂一样的物质。It was spring, and the sap was rising.春天到了，植物汁液在增多。The sap is very sticky.这种植物汁液非常黏。Butterflies and moths taste plants with their feet.蝴蝶和蛾用足汲取植物汁液。 |