Klockmannite
六方硒铜矿, 蓝硒铜矿
🗣️ 情景例句
The robber struck him on the head.
强盗打他的头。
Say well is good, but do well is better.
说得漂亮固好，做得漂亮更佳。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，