doubletree
N เครื่อง เทียมม้า ให้ ม้า 2ตัว อยู่ ใน แนวตรง กัน krueang-tiam-mar-hai-mar-song-tua-yoo-nai-naew-tong-kan
DOUBLETREE
DOUBLETREE Dou "ble *tree `, n.
dou ble tree |ˈdəbəlˌtrē ˈdəbəltri | ▶noun a crossbar in front of a wagon with a swingletree at each end, enabling two horses to be harnessed. ORIGIN mid 19th cent.: from double, on the pattern of singletree .
double |tree |ˈdʌb (ə )ltriː | ▶noun N. Amer. a crossbar in front of a wagon with a swingletree at each end, enabling two horses to be harnessed. ORIGIN mid 19th cent.: from double, on the pattern of singletree .