Spearheading
v. 当…的先锋, 带头( spearhead的现在分词 )
🗣️ 情景例句
Just two days.
只要两天。
Can this radio receive short-wave?
这个收音机能收短波吗？
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，