hypocotyl

/ˌhaɪpoʊˈkɑtɪl/ /ˌhaɪpəˈkɑtɪl/

Meanings

noun

下胚轴，胚轴。

In plants with seeds, that portion of the embryo or seedling between the root and cotyledons.

Examples :

"The young bean plant's hypocotyl arched upwards, pulling the cotyledons out of the soil and into the sunlight. "

这棵小豆苗的下胚轴向上弯曲拱起，将子叶拉出土壤，迎向阳光。

Related Words

upwards adverb

/ˈʌpwədz/ /ˈʌpwɚdz/

向上，往上。

"The smoke from the campfire drifted upwards into the night sky. "

营火的烟雾向上飘散，融入了夜空。

cotyledons noun

/ˌkɑtəˈlidənz/ /ˌkɒtəˈliːdənz/

胎盘绒毛，子叶。

"Veterinarians examined the cow's placenta closely, noting the healthy development of the cotyledons, crucial for nutrient transfer to the calf. "

兽医仔细检查了母牛的胎盘，并记录了胎盘绒毛，也就是子叶的健康发育情况，这对于向小牛输送营养至关重要。

pulling verb

/ˈpʊlɪŋ/

拉，拽。

"When I give the signal, pull the rope."

我一发信号，就拉绳子。

plants noun

/plɑːnts/ /plænts/

植物，草本植物

"The garden had a couple of trees, and a cluster of colourful plants around the border."

花园里有几棵树，边缘周围还有一簇簇色彩鲜艳的草本植物。

between noun

/bɪˈtwiːn/ /bəˈtwin/

缝针，绗针

"The seamstress used a sturdy between to create a precise, even stitch on the thick upholstery fabric. "

这位女裁缝用一根结实的绗针在厚厚的装饰面料上缝制出精准均匀的针脚。

embryo noun

/ˈɛmbɹi.əʊ/ /ˈɛmbɹi.oʊ/

胚胎，孕育初期。

"The scientist studied the embryo to understand how the early stages of development occur. "

科学家研究胚胎，以了解生命孕育初期是如何发育的。

arched verb

/ɑːtʃt/ /ɑɹtʃt/

拱起，成拱形。

"The cat arched its back"

猫咪弓起了背。

seedling noun

/ˈsiːdlɪŋ/

幼苗，树苗

"The gardener carefully transplanted the tomato seedling into a larger pot. "

园丁小心地把番茄幼苗移植到了一个更大的花盆里。

young noun

/jʌŋ/

年轻人，青年人

"The young of today are well-educated."

现在的年轻人都受过良好的教育。

seeds noun

/siːdz/

种子，籽。

"The farmer planted the seeds in the spring, hoping they would grow into strong plants. "

春天的时候，农夫种下了种子，希望它们能长成茁壮的植物。

sunlight noun

/ˈsʌnˌlaɪt/

阳光，日光

"Sunlight on the skin gives you vitamin D."

阳光照射在皮肤上能让你获得维生素D。

portion noun

/ˈpoəɹʃən/ /ˈpɔːʃən/ /ˈpɔɹʃən/

部分，份额。

"The recipe called for a specific portion of flour, not the entire bag. "

这个食谱要求的是特定份额的面粉，而不是整整一袋。