English Learning Day 15

Time 2023.3.15

1.单词

[1]     unmanned adj. 无（需）人操控的；自控的 unmanned drone 无人机[同drone] v. 使去势

[2]     reiterate v. 反复重申 Antonov reiterated a denial issued by the Russian Ministry of Defense on the incident.

[3]     transponder n. 异频雷达收发机 e.g. The drone flew with its transponders off.

[4]     maneuver n. 演习[可数]

[5]     transpire v. 公开；透露；发生；为人所知 e.g. Ultimately the intent mattered less than “what actually transpired.

[6]     declassify v. 使解密 e.g. The US Defense Department is currently working to declassify imagery from the incident

[7]     reconnaissance [rɪˈkɒnɪsns] n. 侦查

2.短语

[1]     in the vicinity 在附近 e.g. We have instructions to shoot on sight Anybody caught moving in the vicinity. 【后也可接of sth，在…附近】

[2]     international airspace 国际空域【即公海（international waters/high seas）上空领域】 airspace n. 领空 [Airspace is an inalienable part of a country's territory]

[3]     Convention on High Seas 公海条约

[4]     open sea 外海 【与公海的区别是，公海是not included in the exclusive economic zone, the territorial sea or the internal waters of a State，外海则是outside the territorial jurisdiction of any country】

[5]     scramble to do[忙着去做…；竭力去做…]=try to do=strive to do

[6]     be briefed on sth by sb/brief on 听取了某人的简报/就某事做一个简报 President Joe Biden was briefed on the incident by national security adviser Jake Sullivan on Tuesday morning.