Sigs
abbr. simplified inertial guidance system 简易惯性制导系统; stellar inertial guidance system 天体惯性制导系统
🗣️ 情景例句
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。