Surface indicator
[机] 划线针盘
🧩 词语组成解析
surface
['sɝfɪs]
n. 表面;外观，外表;地面。水面;
vi. 浮出水面;在表面工作;显露;
vt. 使浮出水面;使成平面;
adj. 表面的，外观的;外表上的，平地上的;肤浅的;
sur超过，在上面+face脸面→表面
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
Of course.
当然可以。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。