Variopter
(滑动)光学计算尺
🗣️ 情景例句
What's your mother's occupation?
你妈妈的职业是什么？
Please try to elucidate the facts.
请清楚的说明事实真相。
Sure, just drop in my office some time and pick them up.
没问题，什么时候到我办公室来拿都可以。