sapwood

sapwood

['sæpwud]

n.边材, 白木质

例句与用法：

They are ventilating the sap of a coal mine.

他们正在使煤矿坑道通风。

The sap flowed out when he broke the stem of the flower.

他把花茎折断，汁液就流了出来。

It was the beginning of the spring and the sap was rising in the boys.

正当初春季节，勃勃的生气在小伙子们身上奔涌。

Her long illness gradually sapped her strength.

长期的患病使她的体力渐渐衰竭。

词形变化：

名词复数: sapsagos |

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n.

【植】(树皮和心材之间的)边材, 液材