Relieving lathe
[机] 铲齿车床
🧩 词语组成解析
a. 救助的；救援的
lathe
[leð]
n. 车床，机床;
vt. 用车床加工;
🗣️ 情景例句
What grade are you in?
你在几年级？
What will it be after the clear weather?
晴天以后天气会怎么样？
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。