一般家庭只有一个子女,血缘维系婚姻的纽带也脆弱了。
In a common family, there is only one child, so the flesh bond that binds the marriage is weak.
它被广阔的海洋包围,也很脆弱,但南极专家对它的不稳定程度存在强烈分歧。
Surrounded by open ocean, it is also vulnerable, but Antarctic experts disagree strongly on just how unstable it is.
虽然南半球也见证着类似的融冰影响,但是格陵兰冰盖可能特别脆弱。
While similar melting effects are being measured in the southern hemisphere, the Greenland sheet may be uniquely vulnerable.
Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.
真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内
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