導(dǎo)讀:?alevin是一個(gè)英語(yǔ)單詞,意思是指剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng)。它的發(fā)音為[lvn],重音在第二個(gè)音節(jié)。用法:alevin通常用作名詞,單數(shù)形式為alevi
?alevin是一個(gè)英語(yǔ)單詞,意思是指剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng)。它的發(fā)音為[lvn],重音在第二個(gè)音節(jié)。
用法:
alevin通常用作名詞,單數(shù)形式為alevin,復(fù)數(shù)形式為alevins。它主要用于描述剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng),特別是鮭魚(yú)、鱒魚(yú)和大型淡水魚(yú)類(lèi)的幼體。它可以用來(lái)指代任何剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng),但通常更多地用于指代具有特定生長(zhǎng)階段和特征的幼體。
例句1-5句且中英對(duì)照:
1. The alevin were carefully transferred to the hatchery tanks for further growth.
這些alevin被小心地轉(zhuǎn)移到孵化池中繼續(xù)生長(zhǎng)。
2. The alevin stage is a critical period for the survival of young fish.
alevin階段對(duì)于幼小魚(yú)類(lèi)的存活至關(guān)重要。
3. The alevin were observed to have a yolk sac attached to their bodies.
觀察這些alevin身上附著著卵黃囊。
4. Alevin are highly vulnerable to predators during this early stage of development.
在發(fā)育早期,alevin極易受到捕食者的攻擊。
5. The alevin will eventually develop into fry and then become adult fish.
alevin最終會(huì)發(fā)育成小魚(yú),然后成為成年魚(yú)。
同義詞及用法:
1. Fry:指剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng),與alevin意思相近,但通常更多用于指代具有特定生長(zhǎng)階段和特征的幼體。
例句:The hatchery was filled with hundreds of fry, swimming around in the tanks.
2. Fingerling:指年齡較小的魚(yú)類(lèi),通常用于描述從alevin階段發(fā)育到幼體階段的過(guò)程。
例句:The fingerlings were released into the river to repopulate the dwindling fish population.
3. Juvenile:指年輕的、未成熟的動(dòng)物,可以用來(lái)描述從alevin階段發(fā)育到成年階段的過(guò)程。
例句:The juvenile salmon were observed migrating downstream towards the ocean.
4. Larva:指任何昆蟲(chóng)或節(jié)肢動(dòng)物在蛹變前的幼蟲(chóng)狀態(tài),也可以用來(lái)形容剛孵化出來(lái)的魚(yú)類(lèi)幼蟲(chóng)。
例句:The larva of the dragonfly emerged from its egg and crawled towards the water.
5. Smolt:指一種特定生長(zhǎng)階段的鮭魚(yú)和大型淡水魚(yú)類(lèi),在此之前是alevin,在此之后是adult fish。
例句:The smolts were released into the river in hopes of replenishing the salmon population.