Spalttupfel
裂纹孔
🗣️ 情景例句
I like this song very much, in terms of its rhythm and melody.
我很喜欢这首歌，喜欢它的节奏和旋律。
Put your books down on the table.
在桌子上放下你的书。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。