Subnanometer
n. 亚纳米
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
Step after step the ladder is ascended.
按部就班，循序渐进。
If they are not brought to the surface soon they may lose their lives.
如果不把他们尽快救到地面上来，他们就有可能丧生。