1. emergency room 急诊室
例句：
At the door of the hospital emergency room, a social worker informed her that only family members were allowed inside.
在医院急诊室门口，一位工作人员通知她只有家人才允许入内。
2. at least 至少
例句：
You should read at least three of these books.
这些书中，你应该至少读三本。
3. fall off 跌落，摔下
例句：
Beware of objects that can fall off shelves.
小心可能从架子上掉下来的物品。
4. fill out 填写
例句：
Fill out the application carefully, and keep copies of it.
仔细填写申请表，并保留备份。
5. left-handed 左撇子的，用左手的
例句：
There is a shop in town that supplies practically everything for left-handed people.
镇上有一家商店，出售左撇子用品。
6. medical insurance 医疗保险
例句：
In addition, project beneficiaries are entitled to free medical insurance.
此外，项目受益人可以享受免费医疗保险。
7. call in 打电话
例句：
She reached for the phone to call in sick.
她拿起话机，打电话请病假。
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