◎◎◎ perigee ⪢⪢
Now about half a month later, the moon has orbited halfway around its path and it gets to its closest
point to the earth. We refer to this as perigee.
→ apogee, perihelion
http://qindex.info/i.php?x=9985
○○○ jargon ⪢⪢
Again I'm sure you heard a teacher or a grammar book
point out that with the third conditional you use if plus the past perfect, plus would or wouldn't have and the past participle. That's a lot of jargon.
http://qindex.info/i.php?x=10013
○○○ subscribe ⪢⪢
If this is your first time here, don't forget to click the red subscribe button below and at some
point during the video give me a thumbs up if this video is helping you learn English. #bookmark
http://qindex.info/i.php?x=19664
◌◌◌ Line
From here, we can construct a one- dimensional object by stringing an infinite number of
points along a particular dimension. This object is called a line.
http://qindex.info/i.php?x=5177