coleoptile

/kɒliːˈɒptɪl/

Meanings

noun

胚芽鞘，幼芽鞘

A pointed sheath that protects the emerging shoot in monocotyledons such as oats and grasses.

Examples :

"The farmer examined the young wheat seedlings, noting the coleoptile protecting the delicate shoot as it pushed through the soil. "

农夫检查了幼小的麦苗，注意到幼芽鞘保护着稚嫩的幼芽，使其顶破土壤生长。

Related Words

protecting verb

/pɹəˈtɛktɪŋ/

保护，守护，防护.

"Condoms are designed to protect against sexually-transmitted diseases."

安全套的设计是为了保护人们免受性传播疾病的侵害。

monocotyledons noun

/ˌmɒnəkɒtɪˈliːdənz/ /ˌmɑːnəkɑːtɪˈliːdənz/

单子叶植物

"The farmer planted rows of corn, knowing that monocotyledons like corn produce seedlings with only one seed leaf. "

这位农民种了一排排的玉米，因为他知道像玉米这样的单子叶植物，长出的幼苗只有一片子叶。

through noun

/θɹuː/ /θɹu/

贯石, 穿石。

"The dry-stone wall used a large, flat through to support the top stones. "

这堵干砌石墙用了一块又大又平的贯石来支撑顶部的石头。

grasses noun

/ˈɡræsɪz/ /ˈɡrɑːsɪz/

草, 青草。

"The park ranger explained that grasses prevent soil erosion on the hillside. "

公园管理员解释说，青草可以防止山坡上的土壤流失。

delicate noun

/ˈdɛlɪkət/

精致内衣，贴身内衣。

"She carefully handled the delicate, lace-trimmed lingerie. "

她小心翼翼地捧着那些精致的，带着蕾丝边的贴身内衣。

examined verb

/ɪɡˈzæmɪnd/

检查，审查。

"He examined the crime scene for clues."

他仔细检查了犯罪现场，寻找线索。

seedlings noun

/ˈsiːdlɪŋz/

幼苗，树苗

"The gardener carefully transplanted the tiny seedlings into larger pots. "

园丁小心地把这些弱小的幼苗移植到更大的花盆里。

emerging verb

/ɪˈmɜːrdʒɪŋ/ /iˈmɜːrdʒɪŋ/

涌现，浮现

"The sun was emerging from behind the clouds. "

太阳正从云层后面缓缓浮现。

protects verb

/pɹəˈtɛkts/ /pɹoʊˈtɛkts/

保护，守护。

"Condoms are designed to protect against sexually-transmitted diseases."

安全套的设计是为了保护人们免受性传播疾病的侵害。

sheath noun

/ʃiːθ/ /ʃiθ/ /ʃiːð/ /ʃið/

鞘，剑鞘

"The knight carefully placed his sword back into its sheath. "

骑士小心翼翼地将他的剑放回了剑鞘里。

farmer noun

/fɑːmə/ /fɑɹmɚ/

农民, 农夫

"The farmer planted corn in his fields every spring. "

每年春天，这位农民都会在他的田地里种玉米。

pointed verb

/ˈpɔɪntɪd/

指，指向，指出。

"The teacher pointed to the map to show the students where the capital city was located. "

老师指着地图，向学生们指出首都的位置。