Halina
海立拿呢
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
He always plays hockey.
他通常去打曲棍球。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；