Demicircle
测角器
🗣️ 情景例句
I got it.
我猜对了。
No man can do two things at once.
心无二用。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。