Microstructural
显微组织
🗣️ 情景例句
I'm pooped.
我精疲力尽。
How's your sister?
你的嫂嫂好吗？
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。