quword
趣词
Word Origins Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Rh factor
[Rh factor 词源字典]
1942, from the first letters of
rhesus
; so called because the blood group, and its effects, were discovered in the blood of rhesus monkeys (1941).
[Rh factor etymology, Rh factor origin, 英语词源]