🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
Now, we're doing something new making skin strong enough that it doesn't wrinkle, become dry, or develop blemishes.
现在我们正在做一些改进，使皮质变得坚韧而不致有皱纹，变干或产生磨损。
It's six o'clock.
六点钟了。