911chaxun查询·英语单词大全
名词年轮,(树木的)生长轮
1. 生长轮:年轮年轮也称为生长轮(growth ring)或生长层(growth layer).在一个生长季节内,早材和晚材共同组成一轮显著的同心环层,代表着一年中形成的次生木质部.在有显著 季节性气候的地区中,不少植物的次生木质部在正常情况下,每年形成一轮,
2. 年轮:growth rhythm 生长韵律 | growth ring 年轮 | growth stage 成长期
3. 生長輪;年輪:growth rate 生長率;成長率 | growth ring 生長輪;年輪 | guano 海鳥糞;海鳥粉
4. 生长环;年轮:growth rate 生长速率 | growth ring 生长环;年轮 | growth ring boundary 年轮界
1. Swedish police say they have arrested 40 people across the country after uncovering a ring dealing in human growth hormone.
noun
1. an annual formation of wood in plants as they grow
Synonym: annual ring