Planthydroponics
植物溶液培养
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
While Mike was an only child, he would amuse himself with his toys.
麦克还在孩提时，常常独自玩玩具取乐。
Opportunity knocks but once.
机不可失，时不再来。