Pentachlorization
五氯化作用
🗣️ 情景例句
How good is your English?
你英语有多好？
He warms too near that burns.
取暖太近火，会被火灼伤。
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。