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找不到喜歡的影片嗎?你也能自己匯入影片喔
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03:09
Animation E1, 4.1 Interaction of hormones in the menstrual cycle
42
B2
04:14
The Science of Sugar Addiction & The Fifth Taste
17675
B2
02:47
The Science of 'Plan B' - Emergency Contraception
1051
B2
02:07
Countries inside Countries: Bizarre Borders Part 1
120
B1
03:40
Hormonal Control of the Menstrual Cycle, Animation.
253
C1
00:16
How to Pronounce ?LEOPARD ? #SHORTS Quick English Pronunciation Mini Lesson
22
B2
10:15
Reproductive System, Part 1 - Female Reproductive System: Crash Course A&P #40
23
B2
10:26
Your Menstrual Cycle Is More Than Just Your Period
441
B2
04:44
How Much Testosterone Do You Have?
16626
C1
06:38
Welcome to the reproductive system
16
B2
07:15
The Most Popular Cake The Year You Were Born
133
B2
09:50
How Hormones Use G-protein Signaling Pathways: A Video Review of the Basics.
80
B2
15:13
Female Reproductive System - Menstrual Cycle, Hormones and Regulation
129
C1
09:37
Intro to the endocrine system
17
B2
04:16
Evanescence Bring me to life/ wake me up inside
180
A2
07:24
Jennifer Morrison - Craig Kilborn - August 18th, 2003 revised
272
C2
16:07
What would you do? Illegal immigration
246
A2
04:29
Lady GaGa-Speechless (Lady GaGa-Speechless (Lady GaGa-Speechless (Lady GaGa-Speechless)))
200
A1
1