The other two were reusable boosters.

其余两级为可重复使用助推器。

It was a large winged ship attached to giant rocket boosters.

航天飞机就像一艘带有火箭助推器有飞船。

Pfizer says booster shots will be needed within a year.

辉瑞公司表示，一年内将需接种加强针。

So these boosters actually landed, re-landed after the liftoff.

那么这些助推器实际上在起飞后还，也就是再着陆。

Wealthy countries are speeding up their Covid vaccination booster programs.

富裕国家正在加快他们新冠苗加强针计划。

There's a rush to provide booster shots.

现在急需苗加强针。

The same guidelines already apply to Pfizer's booster shots.

指导方针已经应用于辉瑞加强针。

Indonesia is starting to administer COVID vaccine booster jabs today.

印度尼西亚今天开始进行新冠苗加强注射。

Where do people get the booster shots?

人们在哪里能接种加强针？

In early July, it became the first country to give coronavirus boosters to people with weakened immune systems.

7月初，该国成为首个向免系统低下人群提供新冠苗加强针国家。

A faulty booster caused the shuttle Challenger to explode in January.

由于助推器出现问题，所以挑战者号1月份发生爆炸。

A booster shot does increase the amount of Omicron-neutralizing antibodies.

加强针确增加了奥密克戎中和抗体数量。

The boosters will be very grateful for such a generous donation.

筹款会将会非常感谢如此慷慨捐助。

Recycling rocket boosters is a major way the company can save money.

回收火箭助推器是公司节省钱主途径。

But a third booster shot improved protection to 70 to 80 percent.

但第三针加强针能将保护率提高至70%-80%。

California health care workers will be required to have COVID-19 booster shots.

美国加利福尼亚州医护人员将被求注射新冠苗加强针。

But vaccines that require boosters, including the vaccine against measles had lower rates of coverage.

但推广性苗（包括麻疹苗）覆盖率较低。

US health officials are urging younger teens to get COVID-19 vaccine booster shots.

美国卫生官员敦促青少年注射新冠苗加强针。

Here's another memory booster that few people use in their daily lives.

下面是另一种记忆助推器，很少有人在日常生活中使用。

Its rocket booster landed safely on a remote controlled platform in the Pacific Ocean.

它火箭助推器在太平洋一个遥控平台上安全着陆。