They're full of a toxic sap called mucilage, so when the flowers are cut, sap flows from the stem.
里面充满了一种叫做粘液的有毒树液,因此当花朵被切开时,汁液就会从茎中流出。
单词 | sap flow |
例句 |
原声例句
Scishow 精选系列 They're full of a toxic sap called mucilage, so when the flowers are cut, sap flows from the stem. 里面充满了一种叫做粘液的有毒树液,因此当花朵被切开时,汁液就会从茎中流出。 美国小学英语6 These caused the tree to bleed or give off sap; all during the summer the trees were chipped regularly, the sap flowing down into the box, where it was collected. 这使树流血或流出汁液;整个夏天,树都定期被砍,汁液流到盒子里,在那里收集的。 |
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