One or more layers of living and functional sapwood cells are periodically converted to heartwood.
每个生长周期都有一或多层活的边材细胞转变成心材.
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It might be very fancy, made of pink and red paper cut into heart shapes.
用红色或粉红色的纸张剪成心形形状也许是很别致的.
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The composition of the park with the rose colored heart-shaped pattern, and sizes, patchwork.
该园用各色月季组成心形图案, 并且大小不一 、 错落有致.
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Ironically, most people came to watch the match on the day it poured with rain.
老天爷好像成心捉弄人, 很多人前来看比赛却偏偏下起瓢泼大雨.
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You disagreed with me about everything I said, were you deliberately singing a different tune?
我说什么你都不赞同, 你是不是成心跟我唱反调?
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根据瓣膜两侧血压差计算受迫力,并用Ramp函数拟合。求解瓣膜振动的解析表达式,进而合成心音信号。
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These three forms of activity compose the mental educational activity system together.
三种活动形式共同构成心理教育活动体系。
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Yes , creativity in the arts should be encouraged. But artists should not expect overnight success.
艺术创作鼓励创新, 但艺术家不能有一蹴而就的速成心态.
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