Vacuum technique
[化] 真空技术
🧩 词语组成解析
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
Obedience is the first duty of a soldier.
服从是军人的第一职责。
'I'm going to Woodford Green,' I said to the conductor as I got on the bus, 'but I don't know where it is.'
“我要去伍德福德草地，”我一上车就对售票员说，“但我不知道它在那儿。”