Eductor
[化] 喷射器
🗣️ 情景例句
And down will come baby,
宝宝跌下来
A friend in need is a friend indeed.
患难朋友才是真朋友。
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。