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
U-turn (n.)
[U-turn 词源字典]
1934, from
U
+
turn
(n.). So called in reference to the shape of the path described.
[U-turn etymology, U-turn origin, 英语词源]