Tcnb
[建] 四氧硝基苯
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
I'd like to have my boss go through the plant some day.
我真想叫我老板哪天也过来看看。