We describe the trajectory of the human sex ratio from conception to birth by analyzing data from (i) 3- to 6-d-old embryos, (ii) induced abortions, (iii) ... O Steven Hecht,S J William,VR Akmaev,... 被引量: 0发表: 2021年 Modulation of the Immune System by Sex Steroids doi:...
Find definitions for over 300,000 words from the most authoritative English dictionary. Continuously updated with new words and meanings.
It is pretty likely that you -- or someone you know -- is a workaholic. Workaholics live for their work, often spending many extra ours at work, and often taking work home to complete. Americans -- live in a work-hard culture, but w...
aThe preferred spelling of the word “acknowledgment” in America is without an “e” after the “g”. Avoid the stilted expression, “One of us (R. B. G.) thanks . . .” Instead, try “R. B. G. thanks”. Put sponsor acknowledgments in the unnum-bered footnote on the first ...
In the middle of this lake, there is a small island. People call it the Pearl Island(珍珠岛) because it looks like a pearl. On one side of the Pearl Island, the lake looks like a sun, and on the other side, it looks like a moon. That is why people call it the Sun and Moon...
describe objects,actions or emotions.Some words are more difficult.They are used for reporting world events and describing discoveries in medicine and science.Special English writers use short,simple sentences that contain only one idea.They use active voice.They do not use idioms.Special English ...
When I moved to America in the 7th grade, I did not speak any English.I had no choice but to keep working hard. Although I made when I reached the 9th grade, people still found it difficult to understand me because of my accent(口音). One day, at a party, I was invited to pl...
题目Which word would you use to describe your teacher?Why?Here are the(1) answersof some students from different places. Responsible My math teacher is one of the most responsible(负责任的)teachers.One morning,I saw her(2) hurther leg at school by accident.But as there...
a它是咖啡色 It is the coffee color [translate] aNew version of My Fair Princess 我公平的公主的新版本 [translate] aI intend to some sort of qualification to precede the word for frequently the difference between America and Europe will be one of degree 我打算到某一类资格频繁地在词之前为区别...
___ Bradstreet was one such poet. 13. William Bradford himself used a word " ___ " to describe the community of believers who sailed from Southampton, England, on the Mayflower and settled in Plymouth, Massachusetts in 1620. 14. In 1620,___ was elected Governor of Plymouth, Massachusetts...