Not to be left behind are the disease-spreading pests, about 100 species of which have become immune to a variety of insecticides now in use.
传播疾病的害虫也不甘落后，其中约有100种对目前使用的各种杀虫剂有了免疫力。
We're going to be left behind by the rest of the world.
我们就要落后于世界的其他地区了。
Every student studied hard in order not to be left behind by other students.
为了不落后于其他同学，每个学生都努力学习。
Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18.
当水从海洋表面蒸发时，往往会留下较重的同位素，所以剩余的海水会逐渐富含氧18这种同位素。
You'd better run or you're going to be left behind.
你最好跑着过去，否则就会被拉下。
You'd better run, or you're going to be left behind.
你最好跑着过去，否则就会被落下。
You have to act fast if you don't want to be left behind.
如果你不想被落在后面的话就得加快动作。
You'd better take a taxi or you're going to be left behind.
你最好坐出租车去，否则你会被拉下的。
When it came right down to it, no one wanted to be left behind.
当这些被证实为正确之后，没有人希望被遗忘。
In their withdrawal, much of the heavy equipment had to be left behind.
在撤退时，他们不得不丢弃许多重型装备。
If you don't know your technical jargon you're going to be left behind.
如果你不懂技术术语，你会掉队跟不上的。
If anything, it may spur more buying as investors do not want to be left behind.
倒是随着越来越多的投资者不甘落后，购买量会继续上升。
"They didn't want me to be left behind, so they recommended it to me," he says.
他说：“他们不想让我落伍，就向我推荐了它。”
We must adjust ourselves to the changing society unless we want to be left behind.
如果我们不想落后，我们就必须适应这个不断变化的社会。
This means that someone has to travel without using a child restraint or seat belt or someone has to be left behind.
这意味着有人旅行，而不使用儿童约束或安全带或有人要留下。
His school and Quidditch robes, cauldron, parchment, quills, and most of his textbooks were piled in a corner, to be left behind.
学院长袍、魁地奇队袍、坩埚、羊皮纸、羽毛笔以及大多数课本都堆在一个墙角，留在家里。
The animals are happy and content, except for one small thing; they each miss one very special to them, who had to be left behind.
除了一个小问题以外，它们既快乐又满足。 那就是，他们各自都思念着某个很特别的人，某个他们不得不离开的人。
If you know your shortcomings and feel reluctant to change, then you will only vanish with time without any trace to be left behind.
明知己之不足不改，最后只能在蹉跎岁月中渐渐消逝，不留痕迹。
Aldrin appeared on the ladder. Down he came, very slowly. Soon, both men were busy placing experiments to be left behind on the moon.
奥尔德林出现在扶梯上，他非常缓慢地下来了，很快，两人便忙着在月球上放置实验装置。
The animals are happy and content, except for one small thing; they each miss someone very special to them, who had to be left behind.
在那儿，他们都感到满足与快乐，唯一不足的是每一位都很想念他们遗留下在彩虹之桥另一方的朋友。
The policeman said that, as a gang of prisoners was passing, one of the convicts had fallen down, and the convoy officer had ordered him to be left behind.
警察报告说，有一批犯人押过，其中一个倒在地上，押解兵吩咐把他留下来。
There's also the fact that other countries in the region have introduced mandatory English lessons in their elementary schools, and Japan is therefore keen not to be left behind.
另一方面，亚洲其他国家已经自小学施行必修英语制度，日本当然也不能甘落其后。
His school and Quidditch robes, cauldron, parchment, quills, and most of his textbooks were piled in a corner, to be left behind. He wondered what his aunt and uncle would do with them;
他的校服和魁地奇的制服、坩锅、羊皮纸、羽毛笔还有大部分的课本最后都堆到了一个角落里，他不知道姨夫和姨妈会如何处置它们。
Owner of a business trip with my brother back, sighed that he is not "seriously lacking in" with their peers than the older generation, he seems to be left behind thousands of miles away.
哥哥陪老板出差回来，慨叹自己实在不会“拍马”，与同行的前辈比起来，他显得落后于人十万八千里。
Everyone finds it necessary to update his knowledge, otherwise he will be left behind the society.
每个人都认为有必要更新自己的知识，否则将被社会抛在后面。
"Reskilling" is something that sounds like a buzzword but is actually a requirement if we plan to have a future where a lot of would-be workers do not get left behind.
“再就业技术培训”听起来是个流行语，但如果我们希望未来的员工不被时代抛弃的话，这实际上是一个必要条件。
The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.
蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。
The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.
蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。
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