您要查找的是不是：
- 单J形坡口 single-J groove
- 双面J形坡口 double-J groove
- 单面J形坡口 single-J groove
- Ｘ形坡口 double-V groove
- 运单 freight note
- 领料单 call slip
- 流口水 run at the mouth
- 单挑 challenge; work on one's own
- 六角形 hexagon
- 流口水的 slobbery
- 月结单 monthly statement
- 圆柱形的 columniform
- 登山队员们成功地从这座山的北坡爬上了顶峰。 The mountaineers succeeded in climbing the north face of the mountain to the top peak.
- 我每月收到一份银行的结算单。 I get a bank statement every month.
- 那只猫咬了他一口。 The cat gave him a nip.
- 流形 manifold
- 单联 simply connected
- 经理抽了一口烟。 The manager took a puff at his cigarette.
- 圆筒形 cylindrical
- 帐单须在本月底之前全部付清。 The bill must be paid in full by the last day of this month.
