It tires not, nor does it boast of its power; but belongs to the air,travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies, and slipping through a medium that seems to help its passage even when the wind is adverse.参考译文：燕子充...
（1）This is one the most famous tourist sights in my hometown, the
Porcelain House, or, as how we call it, the China House. 请问这里的as how we call it应该怎么理解呢？对不对呢？how应该是不能引导名词性关系分句的，所以as应该不能理解as为like然后后面是...
刘老师，请教您两组介词用法： 1. walk ________________ (through/acorss) the desert 似乎across 用得多些，through也有看到。请问究竟如何使用？ 2. 用opposite/ acorss(from)填空 1) There is a book shop___...
Rathje's hypothesis probably explains part of the complex process of
Mayan state formation, but it suffers from the objection that suitable
alternative raw materials can be found in the lowlands. It could be, too, that
warfare became a competitive response to population growth and to the
increasing ...
... 是什么用法？句子怎么分析？相关前后文如下：When international aid is given, steps must be taken to ensure (确保) that the aid reaches the people for whom it is intended. The way to achieve this may not be simple. It is very difficult for a nation to give help directly to peopl...