Unstable isotope
[电] 不稳定同位素
🧩 词语组成解析
🗣️ 情景例句
if he spends less on the cultural programs.
假如他在这文化活动上减少开支的话。
If you do have the sincerity to do business with us, please show me your cards and put them on the table.
如果您确有诚意与我们做生意，请摊牌吧。
A cat's ability to survive falls is based on fact.
猫在跌落时能够大难不死是有事实作为依据的。