Months into the covid-19 response, shortages in N95 surgical face masks
still occur. Many people who aren’t health workers, but still want N95s and
can’t get hold of them, jerry-rig homemade cloth masks, which researchers say
are less effective.应对新冠疫情已经有几个月了，N95外科...
...前面内容是在河道中收集垃圾后并装船， sensor detect when the
dumpster are full，at which point a text is automatically send to a local operator says
that…想请教这句话这里为何要使用which，因为我觉得这里which后面并没有引导一个定语从句。所以我...
...它被翻译为：Traveling in Beijing, you must do two
things: climbing the Great Wall and tasting Beijing roast duck. 我想问的是traveling in Beijing这个现在分词，是事件意义吗？现在分词的事件意义不应该是发生了的事吗？这个句子用现在分词作状语如果...
...ing with better sleep in those with insomnia, perhaps because it can relax the
body.过去的研究曾将深夜听音乐与改善失眠者的睡眠质量联系在一起，这或许是因为听音乐可以让身体放松。请问：1. late-night music listening中，late-night
music 是listening的...
请教各位老师：在下面这两句话中的for都表示交换关系吗？那么在The socks are four yuan for one pair.中 for one pair是状语吗？如果是，又是什么状语？在Would you like a big bowl of noodles for four yuan? 中 for four yuan是noodles的定语吗？谢谢老师！
句子：A student should be given the right to decide whether or not to learn a foreign language.问题1：whether or not 的词性、用法（前后形式）是什么？问题2：whether or not 在此处，是否有更好的表达方式（换到其他位置），同时保持意思不变？感谢...
Republican Rep. John Rutherford of Florida purchased between $1,001 and $15,000 worth of Raytheon stock on February 24 this year — the day Russia started its operation in Ukraine.佛罗里达州共和党议员约翰·卢瑟福在今年2月24日购买了价值1001美元至15000美元范围的雷神...
Across the desert,we follow Watkins' characters through a place so transformed that it needs its own field guide of animals newly adapted for strange survival.请问：1.怎样分析句中出现的(so...that.....)语法现象：...a place so transformed that it needs its own field guide of animals.....
"I never see the night myself, master - nor yet I don't expect to-what would do that," answered Jerry.“我自己从来没见过这样的夜晚，大爷，也不想再遇上-一不知道会出什么事！”杰瑞回答。为什么这一句nor yet I don't expect to不倒装？