1.
I have to get my front tyre blown up.
我得把前胎打一下气。
2.
B: Your right front tire is a little low.
乙：您的右前胎低了一点。
3.
The front tyre of my bicycle has gone down
我自行车的前胎没气了。
4.
an early bicycle with a very large front wheel and small back wheel.
有大的前胎和小的后胎的早期的自行车。
5.
To cause the expulsion of(an embryo or fetus)before it is viable.
使堕胎在（胚胎或胎儿）能够成活之前导致其排出
6.
The front wing was hanging off and the right rear tyre was off the rim.
前翼掉了下来，右后轮胎濒临爆胎边缘。
7.
interchange the front tyres with the rear ones
把前轮胎和后轮胎互相调换.
8.
having caterpillar treads on the rear and wheels in front.
车轮前面有履带胎面。
9.
Pump the tires up hard before going out on the road.
上路前给轮胎打足气。
10.
I have to get the front tires blown up.
我得把前轮胎打足气。
11.
interchange the front and rear tyres of a car
把汽车的前后轮胎对调
12.
Clinic Validation of the USG Prognosticating Value to Fatal Weight by Hepatic Fore-and-aft and Renal Diameter Measuring
超声测量胎儿右肝前后径、胎肾长径预测胎儿体重的临床验证
13.
2. We should maintain vigilance for patients with placental factors such as placenta previa and abruptio placentae.
②有前置胎盘、胎盘早剥等胎盘因素孕产妇应警惕产后子宫出血。
14.
Clinical analysis of cesarean section of the placenta previa implanted in anterior uterine wall in 31 cases
前壁前置胎盘剖宫产术31例临床分析
15.
The Value of the Color Doppler Ultrasound in the Diagnosis of Placenta Previa with Placenta Accreta/increta/percreta;
彩超产前诊断前置胎盘并发胎盘植入的价值（附228例前置胎盘病例分析）
16.
Be sure to blow up the tyres before you drive off.
开车之前, 一定要把轮胎打足气。
17.
pre-implantation diagnosis
胚胎植入子宫前进行鉴定
18.
Mrs King gave birth to the twins ten years ago.
十年前金太太生下了这对双胞胎。