Temporary backing
[化] 临时垫板
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
and the company in Los Angeles
而在Los Angeles
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，