4周搞定2000+托福核心词
commentary = com(共同) + ment(思考) + ary(表名词) = 共同思考出的意见→评论
itary = it(行走) + ary(表名词) = 行走的路线→行程表,旅行路线
蜜腺；蜜槽；蜜管
nectary
常考释义
When buds are still small, less than a quarter of an inch long, the sepal nectaries are already present and producing nectar.
当蓓蕾还小时，已经有不到四分之一长的花萼蜜腺分泌花蜜了。
来源于：阅读OFFICIAL34 P3n. 蜜腺【植】
The nectary originates from the several outer layer cells of base of carpel primordia.
蜜腺起源于心皮原基基部外侧的几层细胞。
When buds are still small, less than a quarter of an inch long, the sepal nectaries are already present and producing nectar.
当蓓蕾还小时，已经有不到四分之一长的花萼蜜腺分泌花蜜了。
来源于：阅读OFFICIAL34 P3n. （蚜虫排出蜜露的）腹管【动】
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