英语解释:My assistant will now demonstrate the machine in action.
现在我的助手将演示机器运转情况。
a person who helps or supports sb, usually in their job 助理;助手:
英语解释:My assistant will now demonstrate the machine in action.
现在我的助手将演示机器运转情况。
a person who helps or supports sb, usually in their job 助理;助手:
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