A short time was allowed for the decision to be made but, importantly, during that time the children were allowed to change their mind at any time by moving their hand to the other box.
决定可在一段短时间内完成，但重要的是，在这段时间内小孩可以在任何时间通过把手移到另一个盒子上来改变主意。
I have a treasure box containing all the items I made by hand in class, including a radio and voltmeter.
我有一个百宝箱，装满了自己在课堂上手工制作的物件，比如收音机和电压表。
Sand core for the blade was made by hand drawing the pattern from core box. The way of core making is feasible on a medium scale production.
采用线切割的方法制作涡轮叶片砂芯芯盒，用该芯盒手工起模制作叶片砂芯。
Sand core for the blade was made by hand drawing the pattern from core box. The way of core making is feasible on a medium scale production.
采用线切割的方法制作涡轮叶片砂芯芯盒，用该芯盒手工起模制作叶片砂芯。
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