Gablock
铁杆, 铁钎, 铁梃
🗣️ 情景例句
Six months ago.
六个月以前。
Congratulations on your winning the prize.
我恭喜你得奖了。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？