Trr
abbr. teaching and research reactor 教学与研究用反应堆; train repetition rate 列车重复速率
🗣️ 情景例句
Turn around, Michelle. Let me see the back of it.
转过去一下， Michelle。让我看看它的背面。
Naughty boys sometimmmes make good men.
顽皮淘气的男孩子有时成为仁人君子。
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。