VOCABULARY · MORPHOLOGY · PHRASE

四级词汇词组库

共 5100 个单词、34553 个词组。支持按首字母、词根、前缀、后缀检索,自然人声朗读,例句一键翻译,并可标记掌握程度。

39653词条总量
0已掌握
0未掌握
0需强化

LEARNING STATUS

我的词汇掌握分类

用“已掌握、未掌握、需强化”建立可执行的复习队列;标记后统计会立即更新。

单词已掌握 0未掌握 0需强化 0
词组已掌握 0未掌握 0需强化 0

符合条件:3 条,首字母 B

词组

be worried about

担心

用法:be worried about + 名词/doing

Many parents are worried about their children's eyesight.
词组

benefit from

得益于;得利于;因…而得到好处

用法:benefit from + 名词/doing

Many rural schools have benefited from the government's support.
词组

be short of

缺乏;不足

用法:be short of + 名词

Many hospitals are short of experienced nurses these days.