- as a rule of thumb作为经验法则
- be worried about为…忧虑，烦恼的;
- be back回来，放回;拖欠;
- be at issue有问题
- be analogous to类似于…，与…相似;
- be made of用…造成（用于原材料显而易见的场合）;
- be uncertain about不确定
- be strewn with到处都是
- be steeped in埋头于;专心于;充满着;沉浸于;
- be satisfied with对…感到满意;
- be permanently damaged被永久损坏
- be on the rampage横冲直撞;
- department of labor劳工部;
- foramen of magendie[医]马让迪（氏）孔，第四脑室正中孔;
- Gulf of Mexico墨西哥湾（位于北美东南部边缘）;
- get out of line违规;
- in session开会，开庭;
- In one night一晚之内
- in great measure很大程度上;
- in duplicate[经] 一式二份;一式两份;
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