Thpc
[建] 氯化四(羟甲基)磷
🗣️ 情景例句
He prays every night before sleep.
他每晚睡觉着都祈祷。
Dogs that bark at a distance bite not at hand.
远处叫得凶的狗，不会近身来咬人。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，