Tracerlab
同位素示踪物实验室
🗣️ 情景例句
She wanted something to do, I guess.
我猜想她想找点事做吧。
It all depends.
视情形而定。
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。