A small bullfrog that doesn't watch its step can easily become food for a bigger frog.

So, how should bullfrog industry grow continuously?

那么, 牛蛙产业该如何持续发展 呢 ?

The researchers analysed images taken by drones of blue and fin3 whales in Canada's Gulf4 of St Lawrence – an important summer feeding ground for whales.

研究人员们分析了无人机在加拿大圣劳伦斯湾拍摄的蓝鲸和长须鲸的照片，圣劳伦斯湾是鲸鱼夏季的重要觅食地。

They followed their sheep as the were moved from one feeding ground to the next.

他们随着羊群从一个草地迁移到另一个草地。

One area with high zooplankton-biomass would become young fish feeding ground.

浮游动物的高生物量区形成幼鱼索饵场。

South Georgia's waters teem4 with the shrimp-like krill that whales love to eat, so Blues really ought to be returning to this productive feeding ground, and after 50 years of protection this seems finally to be the case.

南乔治亚的水域生产像磷虾等鲸鱼爱吃的虾类，所以蓝鲸确实应该回到这片物产丰富的觅食地。经过50年的保护，这似乎终于成为现实。

Ecological characteristics of zooplankton in feeding ground of mackerel and scads from Southern Yellow Sea and East China Sea. One area with high zooplankton-biomass would become young fish feeding ground.

南黄海、东海鲐鲹鱼索饵场浮游动物生态特征浮游动物的高生物量区形成幼鱼索饵场。

When the animal has left the exposed feeding grounds it is safe from attack.

那动物离开了无遮蔽的聚食场便可以免遭袭击了。

Instead of flying thousands of miles in search of food, they make the waste sites their winter feeding grounds.

这些鸟类不再飞行数千英里去寻找食物，而是把垃圾场变成它们冬天的觅食地。

Once the mother and calf have reached their feeding grounds, they will separate.

一旦母鲸和小鲸到达他们的给养地，它们就要分开。

First, they will travel to their own feeding grounds and gather strength.

首先，他们会去饲养基地，增强力量。

'No thank you,' said the Manager, standing, perhaps from the force of winter habit, with his back against the chimney-piece, and looking down upon the Captain with an eye in every tooth and gum.

不，谢谢您，经理说道；也许是由于冬天养成的习惯，他还继续站着；他的背靠着壁炉架，并往下望着船长，好像他每个牙齿和牙床中都长着一只眼睛似的。

Eye for eye and tooth for tooth.

以牙还牙，以眼还眼。

We will make eye for eye and tooth for tooth revenge.

我们将进行以眼还眼，以牙还牙的报复。

Eye for eye, tooth for tooth.

不要以眼还眼、以牙还牙。

As the old saying:" An eye for the tooth.

古语有云眼睛换牙齿

A canine tooth, especially of a horse.

犬牙，尖牙尤指马的犬牙这匹马的牙已经磨平了。

None of the 3 cases using hydroxyapatite erupted a canine tooth.

羟基磷灰石者3例无一例有牙萌出。

Preliminary Report on the Effect of Nd ∶ YAG Laser Irradiation on Canine Tooth Pulps

Nd：YAG激光处理犬牙髓实验研究初步报告

Study on the Manufacturing Technology of Pear Layer Powder with Canine Tooth Instant Exploding Method

犬齿瞬间爆裂法制备珍珠薄层粉工艺研究

Experimental Research on Canine Tooth Pulp with Nd: TAG Laser Radiation

Nd：YAG激光照射犬牙髓的实验观察