supervision
n[U]
supervising or being supervised 监督; 管理; 指导
Children should not be left to play without supervision. 孩子玩儿的时候不能无人照看.
This drug should only be taken under the supervision of (ie as supervised by) a doctor. 此药须遵医嘱服用.
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡,然后你应该尽快说明来意。
Yes, I have your eraser, too.
是的,我还拿了你的橡皮。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.