- be used tov.习惯于，适用于;
- be centered on集中于;
- be blessed with在…方面有福气，幸运地享有;
- be angry嗔；有气；怫然；发气;
- be against违反，无视，不顾;反对;
- be addicted to沉迷于;有瘾;醉;嗜;
- be involved with涉及;
- be in operation实施中;
- be in charge管事；掌事;
- be ill抱病；害病；闹病；患病;
- be good atv.擅长;健;精通;熟谙;
- be dying to渴望，切望;
- be settled in安顿，适应;
- be poles apart截然不同，大相径庭;南辕北辙;
- lay something bare曝光，揭露;
- on top of that再加;
- on the average平均而言;一般来说; 通常;平均来讲;
- on the air广播;在播送中;
- on site就地，当地;
- on no condition绝不要;
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