🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
Glad to have been of help.
我很高兴能给您帮个大忙。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。