在民族国家不是弱小就是难以存活的社会中，海盗并不罕见。
Piracy is not that uncommon in societies where the national state is either weak or non-existent.
如果它在扩张中松懈下来，它的实力绝对无效，它更加难以存活。
If it slackened while expanding, its strength would be absolutely null, and it would be even less likely to survive.
如果时间恰当，仍然可以进行正常的收割处理。未收获的农作物可能难以存活。
Normal harvesting and processing may still be possible if time permits. Unharvested crops are hard to protect.
这真是难以理解的事情。因为此前我们知道仅有细菌可以在无氧状态下存活。
The professor said: "It is a real mystery how these creatures are able to live without oxygen because until now we thought only bacteria could do this."
寄生虫巧妙地令人难以察觉的存活下来或让人们以为它已被根除。
The success of a parasite depends on living undetected or something is going to be done to eradicate it.
寄生虫巧妙地令人难以察觉的存活下来或让人们以为它已被根除。
The success of a parasite depends on living undetected or something is going to be done to eradicate it.
应用推荐