Collaborating
n. 协作；合作
✅ 同义词
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
The world is a ladder for some to go up and others to go down.
世界好似一把梯，有人上去有人下。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。